811377385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{4447}}^1$

素因数の和:4873

約数の個数: 32

約数和(自身を含む): 1201600512

約数和(自身を除く): 390223127

約数列:

[1, 5, 7, 13, 35, 65, 91, 401, 455, 2005, 2807, 4447, 5213, 14035, 22235, 26065, 31129, 36491, 57811, 155645, 182455, 289055, 404677, 1783247, 2023385, 8916235, 12482729, 23182211, 62413645, 115911055, 162275477, 811377385]

約数ペア:

[(1, 811377385), (5, 162275477), (7, 115911055), (13, 62413645), (35, 23182211), (65, 12482729), (91, 8916235), (401, 2023385), (455, 1783247), (2005, 404677), (2807, 289055), (4447, 182455), (5213, 155645), (14035, 57811), (22235, 36491), (26065, 31129)]