249745918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 401241600

約数和(自身を除く): 151495682

約数列:

[1, 2, 19, 38, 107, 214, 239, 257, 478, 514, 2033, 4066, 4541, 4883, 9082, 9766, 25573, 27499, 51146, 54998, 61423, 122846, 485887, 522481, 971774, 1044962, 1167037, 2334074, 6572261, 13144522, 124872959, 249745918]

約数ペア:

[(1, 249745918), (2, 124872959), (19, 13144522), (38, 6572261), (107, 2334074), (214, 1167037), (239, 1044962), (257, 971774), (478, 522481), (514, 485887), (2033, 122846), (4066, 61423), (4541, 54998), (4883, 51146), (9082, 27499), (9766, 25573)]