818804968

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2797}}^1$

素因数の和:2906

約数の個数: 64

約数和(自身を含む): 1684172160

約数和(自身を除く): 865367192

約数列:

[1, 2, 4, 8, 23, 37, 43, 46, 74, 86, 92, 148, 172, 184, 296, 344, 851, 989, 1591, 1702, 1978, 2797, 3182, 3404, 3956, 5594, 6364, 6808, 7912, 11188, 12728, 22376, 36593, 64331, 73186, 103489, 120271, 128662, 146372, 206978, 240542, 257324, 292744, 413956, 481084, 514648, 827912, 962168, 2380247, 2766233, 4450027, 4760494, 5532466, 8900054, 9520988, 11064932, 17800108, 19041976, 22129864, 35600216, 102350621, 204701242, 409402484, 818804968]

約数ペア:

[(1, 818804968), (2, 409402484), (4, 204701242), (8, 102350621), (23, 35600216), (37, 22129864), (43, 19041976), (46, 17800108), (74, 11064932), (86, 9520988), (92, 8900054), (148, 5532466), (172, 4760494), (184, 4450027), (296, 2766233), (344, 2380247), (851, 962168), (989, 827912), (1591, 514648), (1702, 481084), (1978, 413956), (2797, 292744), (3182, 257324), (3404, 240542), (3956, 206978), (5594, 146372), (6364, 128662), (6808, 120271), (7912, 103489), (11188, 73186), (12728, 64331), (22376, 36593)]