65644528

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 130572000

約数和(自身を除く): 64927472

約数列:

[1, 2, 4, 8, 16, 53, 106, 199, 212, 389, 398, 424, 778, 796, 848, 1556, 1592, 3112, 3184, 6224, 10547, 20617, 21094, 41234, 42188, 77411, 82468, 84376, 154822, 164936, 168752, 309644, 329872, 619288, 1238576, 4102783, 8205566, 16411132, 32822264, 65644528]

約数ペア:

[(1, 65644528), (2, 32822264), (4, 16411132), (8, 8205566), (16, 4102783), (53, 1238576), (106, 619288), (199, 329872), (212, 309644), (389, 168752), (398, 164936), (424, 154822), (778, 84376), (796, 82468), (848, 77411), (1556, 42188), (1592, 41234), (3112, 21094), (3184, 20617), (6224, 10547)]