642798332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{80713}}^1$

素因数の和:80909

約数の個数: 24

約数和(自身を含む): 1233955632

約数和(自身を除く): 591157300

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 80713, 161426, 322852, 887843, 1775686, 3551372, 14609053, 29218106, 58436212, 160699583, 321399166, 642798332]

約数ペア:

[(1, 642798332), (2, 321399166), (4, 160699583), (11, 58436212), (22, 29218106), (44, 14609053), (181, 3551372), (362, 1775686), (724, 887843), (1991, 322852), (3982, 161426), (7964, 80713)]