645226708

素因数分解:

$2^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{24029}}^1$

素因数の和:24184

約数の個数: 36

約数和(自身を含む): 1323139860

約数和(自身を除く): 677913152

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 137, 196, 274, 548, 959, 1918, 3836, 6713, 13426, 24029, 26852, 48058, 96116, 168203, 336406, 672812, 1177421, 2354842, 3291973, 4709684, 6583946, 13167892, 23043811, 46087622, 92175244, 161306677, 322613354, 645226708]

約数ペア:

[(1, 645226708), (2, 322613354), (4, 161306677), (7, 92175244), (14, 46087622), (28, 23043811), (49, 13167892), (98, 6583946), (137, 4709684), (196, 3291973), (274, 2354842), (548, 1177421), (959, 672812), (1918, 336406), (3836, 168203), (6713, 96116), (13426, 48058), (24029, 26852)]