64867856

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 128288664

約数和(自身を除く): 63420808

約数列:

[1, 2, 4, 8, 16, 101, 137, 202, 274, 293, 404, 548, 586, 808, 1096, 1172, 1616, 2192, 2344, 4688, 13837, 27674, 29593, 40141, 55348, 59186, 80282, 110696, 118372, 160564, 221392, 236744, 321128, 473488, 642256, 4054241, 8108482, 16216964, 32433928, 64867856]

約数ペア:

[(1, 64867856), (2, 32433928), (4, 16216964), (8, 8108482), (16, 4054241), (101, 642256), (137, 473488), (202, 321128), (274, 236744), (293, 221392), (404, 160564), (548, 118372), (586, 110696), (808, 80282), (1096, 59186), (1172, 55348), (1616, 40141), (2192, 29593), (2344, 27674), (4688, 13837)]