870865646

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 1611325440

約数和(自身を除く): 740459794

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 191, 266, 281, 382, 427, 562, 854, 1159, 1337, 1967, 2318, 2674, 3629, 3934, 5339, 7258, 8113, 10678, 11651, 16226, 17141, 23302, 25403, 34282, 37373, 50806, 53671, 74746, 81557, 107342, 119987, 163114, 221369, 239974, 325679, 375697, 442738, 651358, 751394, 1019749, 1549583, 2039498, 2279753, 3099166, 3273931, 4559506, 6547862, 7138243, 14276486, 22917517, 45835034, 62204689, 124409378, 435432823, 870865646]

約数ペア:

[(1, 870865646), (2, 435432823), (7, 124409378), (14, 62204689), (19, 45835034), (38, 22917517), (61, 14276486), (122, 7138243), (133, 6547862), (191, 4559506), (266, 3273931), (281, 3099166), (382, 2279753), (427, 2039498), (562, 1549583), (854, 1019749), (1159, 751394), (1337, 651358), (1967, 442738), (2318, 375697), (2674, 325679), (3629, 239974), (3934, 221369), (5339, 163114), (7258, 119987), (8113, 107342), (10678, 81557), (11651, 74746), (16226, 53671), (17141, 50806), (23302, 37373), (25403, 34282)]