81201656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3803}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 162278640

約数和(自身を除く): 81076984

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1256, 2669, 3803, 5338, 7606, 10676, 15212, 21352, 30424, 64651, 129302, 258604, 517208, 597071, 1194142, 2388284, 4776568, 10150207, 20300414, 40600828, 81201656]

約数ペア:

[(1, 81201656), (2, 40600828), (4, 20300414), (8, 10150207), (17, 4776568), (34, 2388284), (68, 1194142), (136, 597071), (157, 517208), (314, 258604), (628, 129302), (1256, 64651), (2669, 30424), (3803, 21352), (5338, 15212), (7606, 10676)]