989968756

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2671}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 2115197952

約数和(自身を除く): 1125229196

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 98, 122, 124, 196, 217, 244, 427, 434, 854, 868, 1519, 1708, 1891, 2671, 2989, 3038, 3782, 5342, 5978, 6076, 7564, 10684, 11956, 13237, 18697, 26474, 37394, 52948, 74788, 82801, 92659, 130879, 162931, 165602, 185318, 261758, 325862, 331204, 370636, 523516, 579607, 651724, 1140517, 1159214, 2281034, 2318428, 4057249, 4562068, 5050861, 7983619, 8114498, 10101722, 15967238, 16228996, 20203444, 31934476, 35356027, 70712054, 141424108, 247492189, 494984378, 989968756]

約数ペア:

[(1, 989968756), (2, 494984378), (4, 247492189), (7, 141424108), (14, 70712054), (28, 35356027), (31, 31934476), (49, 20203444), (61, 16228996), (62, 15967238), (98, 10101722), (122, 8114498), (124, 7983619), (196, 5050861), (217, 4562068), (244, 4057249), (427, 2318428), (434, 2281034), (854, 1159214), (868, 1140517), (1519, 651724), (1708, 579607), (1891, 523516), (2671, 370636), (2989, 331204), (3038, 325862), (3782, 261758), (5342, 185318), (5978, 165602), (6076, 162931), (7564, 130879), (10684, 92659), (11956, 82801), (13237, 74788), (18697, 52948), (26474, 37394)]