257175842

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1063}}^1\times {\mathrm{1571}}^1$

素因数の和:2654

約数の個数: 32

約数和(自身を含む): 481711104

約数和(自身を除く): 224535262

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1063, 1571, 2126, 3142, 7441, 10997, 11693, 14882, 17281, 21994, 23386, 34562, 81851, 120967, 163702, 241934, 1669973, 3339946, 11689811, 18369703, 23379622, 36739406, 128587921, 257175842]

約数ペア:

[(1, 257175842), (2, 128587921), (7, 36739406), (11, 23379622), (14, 18369703), (22, 11689811), (77, 3339946), (154, 1669973), (1063, 241934), (1571, 163702), (2126, 120967), (3142, 81851), (7441, 34562), (10997, 23386), (11693, 21994), (14882, 17281)]