205381072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{22963}}^1$

素因数の和:23027

約数の個数: 40

約数和(自身を含む): 438520544

約数和(自身を除く): 233139472

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 22963, 45926, 91852, 183704, 298519, 367408, 597038, 987409, 1194076, 1974818, 2388152, 3949636, 4776304, 7899272, 12836317, 15798544, 25672634, 51345268, 102690536, 205381072]

約数ペア:

[(1, 205381072), (2, 102690536), (4, 51345268), (8, 25672634), (13, 15798544), (16, 12836317), (26, 7899272), (43, 4776304), (52, 3949636), (86, 2388152), (104, 1974818), (172, 1194076), (208, 987409), (344, 597038), (559, 367408), (688, 298519), (1118, 183704), (2236, 91852), (4472, 45926), (8944, 22963)]