28390255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{569}}^1\times {\mathrm{587}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 36197280

約数和(自身を除く): 7807025

約数列:

[1, 5, 17, 85, 569, 587, 2845, 2935, 9673, 9979, 48365, 49895, 334003, 1670015, 5678051, 28390255]

約数ペア:

[(1, 28390255), (5, 5678051), (17, 1670015), (85, 334003), (569, 49895), (587, 48365), (2845, 9979), (2935, 9673)]