257547804

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{221261}}^1$

素因数の和:221365

約数の個数: 24

約数和(自身を含む): 607142928

約数和(自身を除く): 349595124

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 582, 1164, 221261, 442522, 663783, 885044, 1327566, 2655132, 21462317, 42924634, 64386951, 85849268, 128773902, 257547804]

約数ペア:

[(1, 257547804), (2, 128773902), (3, 85849268), (4, 64386951), (6, 42924634), (12, 21462317), (97, 2655132), (194, 1327566), (291, 885044), (388, 663783), (582, 442522), (1164, 221261)]