56815405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{15937}}^1$

素因数の和:15996

約数の個数: 16

約数和(自身を含む): 73442304

約数和(自身を除く): 16626899

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 15937, 79685, 366551, 494047, 1832755, 2470235, 11363081, 56815405]

約数ペア:

[(1, 56815405), (5, 11363081), (23, 2470235), (31, 1832755), (115, 494047), (155, 366551), (713, 79685), (3565, 15937)]