641749472

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1713

約数の個数: 144

約数和(自身を含む): 1667085840

約数和(自身を除く): 1025336368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 364, 392, 416, 494, 532, 608, 637, 728, 784, 931, 988, 1064, 1274, 1456, 1568, 1657, 1729, 1862, 1976, 2128, 2548, 2912, 3314, 3458, 3724, 3952, 4256, 5096, 6628, 6916, 7448, 7904, 10192, 11599, 12103, 13256, 13832, 14896, 20384, 21541, 23198, 24206, 26512, 27664, 29792, 31483, 43082, 46396, 48412, 53024, 55328, 62966, 81193, 86164, 92792, 96824, 125932, 150787, 162386, 172328, 185584, 193648, 220381, 251864, 301574, 324772, 344656, 371168, 387296, 409279, 440762, 503728, 603148, 649544, 689312, 818558, 881524, 1007456, 1055509, 1206296, 1299088, 1542667, 1637116, 1763048, 2111018, 2412592, 2598176, 2864953, 3085334, 3274232, 3526096, 4222036, 4825184, 5729906, 6170668, 6548464, 7052192, 8444072, 11459812, 12341336, 13096928, 16888144, 20054671, 22919624, 24682672, 33776288, 40109342, 45839248, 49365344, 80218684, 91678496, 160437368, 320874736, 641749472]

約数ペア:

[(1, 641749472), (2, 320874736), (4, 160437368), (7, 91678496), (8, 80218684), (13, 49365344), (14, 45839248), (16, 40109342), (19, 33776288), (26, 24682672), (28, 22919624), (32, 20054671), (38, 16888144), (49, 13096928), (52, 12341336), (56, 11459812), (76, 8444072), (91, 7052192), (98, 6548464), (104, 6170668), (112, 5729906), (133, 4825184), (152, 4222036), (182, 3526096), (196, 3274232), (208, 3085334), (224, 2864953), (247, 2598176), (266, 2412592), (304, 2111018), (364, 1763048), (392, 1637116), (416, 1542667), (494, 1299088), (532, 1206296), (608, 1055509), (637, 1007456), (728, 881524), (784, 818558), (931, 689312), (988, 649544), (1064, 603148), (1274, 503728), (1456, 440762), (1568, 409279), (1657, 387296), (1729, 371168), (1862, 344656), (1976, 324772), (2128, 301574), (2548, 251864), (2912, 220381), (3314, 193648), (3458, 185584), (3724, 172328), (3952, 162386), (4256, 150787), (5096, 125932), (6628, 96824), (6916, 92792), (7448, 86164), (7904, 81193), (10192, 62966), (11599, 55328), (12103, 53024), (13256, 48412), (13832, 46396), (14896, 43082), (20384, 31483), (21541, 29792), (23198, 27664), (24206, 26512)]