257003684

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{316507}}^1$

素因数の和:316547

約数の個数: 24

約数和(自身を含む): 531733440

約数和(自身を除く): 274729756

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 316507, 633014, 1266028, 2215549, 4431098, 8862196, 9178703, 18357406, 36714812, 64250921, 128501842, 257003684]

約数ペア:

[(1, 257003684), (2, 128501842), (4, 64250921), (7, 36714812), (14, 18357406), (28, 9178703), (29, 8862196), (58, 4431098), (116, 2215549), (203, 1266028), (406, 633014), (812, 316507)]