81981641728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2693}}^1$

素因数の和:2888

約数の個数: 176

約数和(自身を含む): 194820424704

約数和(自身を除く): 112838782976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 137, 217, 224, 248, 256, 274, 434, 448, 496, 512, 548, 868, 896, 959, 992, 1024, 1096, 1736, 1792, 1918, 1984, 2192, 2693, 3472, 3584, 3836, 3968, 4247, 4384, 5386, 6944, 7168, 7672, 7936, 8494, 8768, 10772, 13888, 15344, 15872, 16988, 17536, 18851, 21544, 27776, 29729, 30688, 31744, 33976, 35072, 37702, 43088, 55552, 59458, 61376, 67952, 70144, 75404, 83483, 86176, 111104, 118916, 122752, 135904, 140288, 150808, 166966, 172352, 222208, 237832, 245504, 271808, 301616, 333932, 344704, 368941, 475664, 491008, 543616, 584381, 603232, 667864, 689408, 737882, 951328, 982016, 1087232, 1168762, 1206464, 1335728, 1378816, 1475764, 1902656, 2174464, 2337524, 2412928, 2582587, 2671456, 2757632, 2951528, 3805312, 4348928, 4675048, 4825856, 5165174, 5342912, 5903056, 7610624, 9350096, 9651712, 10330348, 10685824, 11437171, 11806112, 15221248, 18700192, 19303424, 20660696, 21371648, 22874342, 23612224, 30442496, 37400384, 41321392, 42743296, 45748684, 47224448, 74800768, 80060197, 82642784, 85486592, 91497368, 94448896, 149601536, 160120394, 165285568, 182994736, 188897792, 299203072, 320240788, 330571136, 365989472, 377795584, 598406144, 640481576, 661142272, 731978944, 1280963152, 1322284544, 1463957888, 2561926304, 2644569088, 2927915776, 5123852608, 5855831552, 10247705216, 11711663104, 20495410432, 40990820864, 81981641728]

約数ペア:

[(1, 81981641728), (2, 40990820864), (4, 20495410432), (7, 11711663104), (8, 10247705216), (14, 5855831552), (16, 5123852608), (28, 2927915776), (31, 2644569088), (32, 2561926304), (56, 1463957888), (62, 1322284544), (64, 1280963152), (112, 731978944), (124, 661142272), (128, 640481576), (137, 598406144), (217, 377795584), (224, 365989472), (248, 330571136), (256, 320240788), (274, 299203072), (434, 188897792), (448, 182994736), (496, 165285568), (512, 160120394), (548, 149601536), (868, 94448896), (896, 91497368), (959, 85486592), (992, 82642784), (1024, 80060197), (1096, 74800768), (1736, 47224448), (1792, 45748684), (1918, 42743296), (1984, 41321392), (2192, 37400384), (2693, 30442496), (3472, 23612224), (3584, 22874342), (3836, 21371648), (3968, 20660696), (4247, 19303424), (4384, 18700192), (5386, 15221248), (6944, 11806112), (7168, 11437171), (7672, 10685824), (7936, 10330348), (8494, 9651712), (8768, 9350096), (10772, 7610624), (13888, 5903056), (15344, 5342912), (15872, 5165174), (16988, 4825856), (17536, 4675048), (18851, 4348928), (21544, 3805312), (27776, 2951528), (29729, 2757632), (30688, 2671456), (31744, 2582587), (33976, 2412928), (35072, 2337524), (37702, 2174464), (43088, 1902656), (55552, 1475764), (59458, 1378816), (61376, 1335728), (67952, 1206464), (70144, 1168762), (75404, 1087232), (83483, 982016), (86176, 951328), (111104, 737882), (118916, 689408), (122752, 667864), (135904, 603232), (140288, 584381), (150808, 543616), (166966, 491008), (172352, 475664), (222208, 368941), (237832, 344704), (245504, 333932), (271808, 301616)]