812912245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{54503}}^1$

素因数の和:54684

約数の個数: 16

約数和(自身を含む): 1033395840

約数和(自身を除く): 220483595

約数列:

[1, 5, 19, 95, 157, 785, 2983, 14915, 54503, 272515, 1035557, 5177785, 8556971, 42784855, 162582449, 812912245]

約数ペア:

[(1, 812912245), (5, 162582449), (19, 42784855), (95, 8556971), (157, 5177785), (785, 1035557), (2983, 272515), (14915, 54503)]