279013708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{21221}}^1$

素因数の和:21417

約数の個数: 24

約数和(自身を含む): 516967920

約数和(自身を除く): 237954212

約数列:

[1, 2, 4, 19, 38, 76, 173, 346, 692, 3287, 6574, 13148, 21221, 42442, 84884, 403199, 806398, 1612796, 3671233, 7342466, 14684932, 69753427, 139506854, 279013708]

約数ペア:

[(1, 279013708), (2, 139506854), (4, 69753427), (19, 14684932), (38, 7342466), (76, 3671233), (173, 1612796), (346, 806398), (692, 403199), (3287, 84884), (6574, 42442), (13148, 21221)]