205921684

素因数分解:

$2^2\times {\mathrm{191}}^1\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 363686400

約数和(自身を除く): 157764716

約数列:

[1, 2, 4, 191, 382, 409, 659, 764, 818, 1318, 1636, 2636, 78119, 125869, 156238, 251738, 269531, 312476, 503476, 539062, 1078124, 51480421, 102960842, 205921684]

約数ペア:

[(1, 205921684), (2, 102960842), (4, 51480421), (191, 1078124), (382, 539062), (409, 503476), (659, 312476), (764, 269531), (818, 251738), (1318, 156238), (1636, 125869), (2636, 78119)]