81642712

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 155934720

約数和(自身を除く): 74292008

約数列:

[1, 2, 4, 8, 107, 127, 214, 254, 428, 508, 751, 856, 1016, 1502, 3004, 6008, 13589, 27178, 54356, 80357, 95377, 108712, 160714, 190754, 321428, 381508, 642856, 763016, 10205339, 20410678, 40821356, 81642712]

約数ペア:

[(1, 81642712), (2, 40821356), (4, 20410678), (8, 10205339), (107, 763016), (127, 642856), (214, 381508), (254, 321428), (428, 190754), (508, 160714), (751, 108712), (856, 95377), (1016, 80357), (1502, 54356), (3004, 27178), (6008, 13589)]