72688645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 94648320

約数和(自身を除く): 21959675

約数列:

[1, 5, 29, 31, 103, 145, 155, 157, 515, 785, 899, 2987, 3193, 4495, 4553, 4867, 14935, 15965, 16171, 22765, 24335, 80855, 92597, 141143, 462985, 468959, 501301, 705715, 2344795, 2506505, 14537729, 72688645]

約数ペア:

[(1, 72688645), (5, 14537729), (29, 2506505), (31, 2344795), (103, 705715), (145, 501301), (155, 468959), (157, 462985), (515, 141143), (785, 92597), (899, 80855), (2987, 24335), (3193, 22765), (4495, 16171), (4553, 15965), (4867, 14935)]