66570608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1181}}^1$

素因数の和:1473

約数の個数: 40

約数和(自身を含む): 139532736

約数和(自身を除く): 72962128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 271, 542, 1084, 1181, 2168, 2362, 3523, 4336, 4724, 7046, 9448, 14092, 15353, 18896, 28184, 30706, 56368, 61412, 122824, 245648, 320051, 640102, 1280204, 2560408, 4160663, 5120816, 8321326, 16642652, 33285304, 66570608]

約数ペア:

[(1, 66570608), (2, 33285304), (4, 16642652), (8, 8321326), (13, 5120816), (16, 4160663), (26, 2560408), (52, 1280204), (104, 640102), (208, 320051), (271, 245648), (542, 122824), (1084, 61412), (1181, 56368), (2168, 30706), (2362, 28184), (3523, 18896), (4336, 15353), (4724, 14092), (7046, 9448)]