640051566322

素因数分解:

$2^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1889}}^1\times {\mathrm{43451}}^1$

素因数の和:45906

約数の個数: 32

約数和(自身を含む): 1099808357760

約数和(自身を除く): 459756791438

約数列:

[1, 2, 7, 14, 557, 1114, 1889, 3778, 3899, 7798, 13223, 26446, 43451, 86902, 304157, 608314, 1052173, 2104346, 7365211, 14730422, 24202207, 48404414, 82078939, 164157878, 169415449, 338830898, 574552573, 1149105146, 45717969023, 91435938046, 320025783161, 640051566322]

約数ペア:

[(1, 640051566322), (2, 320025783161), (7, 91435938046), (14, 45717969023), (557, 1149105146), (1114, 574552573), (1889, 338830898), (3778, 169415449), (3899, 164157878), (7798, 82078939), (13223, 48404414), (26446, 24202207), (43451, 14730422), (86902, 7365211), (304157, 2104346), (608314, 1052173)]