78321992

素因数分解:

$2^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 191808000

約数和(自身を除く): 113486008

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 49, 56, 68, 73, 92, 98, 119, 136, 146, 161, 184, 196, 238, 292, 322, 343, 391, 392, 476, 511, 584, 644, 686, 782, 833, 952, 1022, 1127, 1241, 1288, 1372, 1564, 1666, 1679, 2044, 2254, 2482, 2737, 2744, 3128, 3332, 3358, 3577, 4088, 4508, 4964, 5474, 5831, 6664, 6716, 7154, 7889, 8687, 9016, 9928, 10948, 11662, 11753, 13432, 14308, 15778, 17374, 19159, 21896, 23324, 23506, 25039, 28543, 28616, 31556, 34748, 38318, 46648, 47012, 50078, 57086, 60809, 63112, 69496, 76636, 82271, 94024, 100156, 114172, 121618, 134113, 153272, 164542, 199801, 200312, 228344, 243236, 268226, 329084, 399602, 425663, 486472, 536452, 575897, 658168, 799204, 851326, 1072904, 1151794, 1398607, 1598408, 1702652, 2303588, 2797214, 3405304, 4607176, 5594428, 9790249, 11188856, 19580498, 39160996, 78321992]

約数ペア:

[(1, 78321992), (2, 39160996), (4, 19580498), (7, 11188856), (8, 9790249), (14, 5594428), (17, 4607176), (23, 3405304), (28, 2797214), (34, 2303588), (46, 1702652), (49, 1598408), (56, 1398607), (68, 1151794), (73, 1072904), (92, 851326), (98, 799204), (119, 658168), (136, 575897), (146, 536452), (161, 486472), (184, 425663), (196, 399602), (238, 329084), (292, 268226), (322, 243236), (343, 228344), (391, 200312), (392, 199801), (476, 164542), (511, 153272), (584, 134113), (644, 121618), (686, 114172), (782, 100156), (833, 94024), (952, 82271), (1022, 76636), (1127, 69496), (1241, 63112), (1288, 60809), (1372, 57086), (1564, 50078), (1666, 47012), (1679, 46648), (2044, 38318), (2254, 34748), (2482, 31556), (2737, 28616), (2744, 28543), (3128, 25039), (3332, 23506), (3358, 23324), (3577, 21896), (4088, 19159), (4508, 17374), (4964, 15778), (5474, 14308), (5831, 13432), (6664, 11753), (6716, 11662), (7154, 10948), (7889, 9928), (8687, 9016)]