28235909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 31352832

約数和(自身を除く): 3116923

約数列:

[1, 13, 53, 107, 383, 689, 1391, 4979, 5671, 20299, 40981, 73723, 263887, 532753, 2171993, 28235909]

約数ペア:

[(1, 28235909), (13, 2171993), (53, 532753), (107, 263887), (383, 73723), (689, 40981), (1391, 20299), (4979, 5671)]