387500815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{161123}}^1$

素因数の和:161178

約数の個数: 16

約数和(自身を含む): 514307808

約数和(自身を除く): 126806993

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 161123, 805615, 2094599, 5961551, 10472995, 29807755, 77500163, 387500815]

約数ペア:

[(1, 387500815), (5, 77500163), (13, 29807755), (37, 10472995), (65, 5961551), (185, 2094599), (481, 805615), (2405, 161123)]