68518684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{101359}}^1$

素因数の和:101389

約数の個数: 18

約数和(自身を含む): 129842160

約数和(自身を除く): 61323476

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 101359, 202718, 405436, 1317667, 2635334, 5270668, 17129671, 34259342, 68518684]

約数ペア:

[(1, 68518684), (2, 34259342), (4, 17129671), (13, 5270668), (26, 2635334), (52, 1317667), (169, 405436), (338, 202718), (676, 101359)]