61981816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20551}}^1$

素因数の和:20599

約数の個数: 32

約数和(自身を含む): 129477600

約数和(自身を除く): 67495784

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 20551, 41102, 82204, 164408, 267163, 534326, 595979, 1068652, 1191958, 2137304, 2383916, 4767832, 7747727, 15495454, 30990908, 61981816]

約数ペア:

[(1, 61981816), (2, 30990908), (4, 15495454), (8, 7747727), (13, 4767832), (26, 2383916), (29, 2137304), (52, 1191958), (58, 1068652), (104, 595979), (116, 534326), (232, 267163), (377, 164408), (754, 82204), (1508, 41102), (3016, 20551)]