221528105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1\times {\mathrm{2131}}^1$

素因数の和:3376

約数の個数: 16

約数和(自身を含む): 281833344

約数和(自身を除く): 60305239

約数列:

[1, 5, 17, 85, 1223, 2131, 6115, 10655, 20791, 36227, 103955, 181135, 2606213, 13031065, 44305621, 221528105]

約数ペア:

[(1, 221528105), (5, 44305621), (17, 13031065), (85, 2606213), (1223, 181135), (2131, 103955), (6115, 36227), (10655, 20791)]