1966195984

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{77239}}^1$

素因数の和:77327

約数の個数: 40

約数和(自身を含む): 4003503680

約数和(自身を除く): 2037307696

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 1591, 3182, 6364, 12728, 25456, 77239, 154478, 308956, 617912, 1235824, 2857843, 3321277, 5715686, 6642554, 11431372, 13285108, 22862744, 26570216, 45725488, 53140432, 122887249, 245774498, 491548996, 983097992, 1966195984]

約数ペア:

[(1, 1966195984), (2, 983097992), (4, 491548996), (8, 245774498), (16, 122887249), (37, 53140432), (43, 45725488), (74, 26570216), (86, 22862744), (148, 13285108), (172, 11431372), (296, 6642554), (344, 5715686), (592, 3321277), (688, 2857843), (1591, 1235824), (3182, 617912), (6364, 308956), (12728, 154478), (25456, 77239)]