78065836

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{67531}}^1$

素因数の和:67569

約数の個数: 18

約数和(自身を含む): 145126268

約数和(自身を除く): 67060432

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 67531, 135062, 270124, 1148027, 2296054, 4592108, 19516459, 39032918, 78065836]

約数ペア:

[(1, 78065836), (2, 39032918), (4, 19516459), (17, 4592108), (34, 2296054), (68, 1148027), (289, 270124), (578, 135062), (1156, 67531)]