28207543

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{773}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 34848576

約数和(自身を除く): 6641033

約数列:

[1, 7, 13, 91, 401, 773, 2807, 5213, 5411, 10049, 36491, 70343, 309973, 2169811, 4029649, 28207543]

約数ペア:

[(1, 28207543), (7, 4029649), (13, 2169811), (91, 309973), (401, 70343), (773, 36491), (2807, 10049), (5213, 5411)]