12897985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3701}}^1$

素因数の和:3764

約数の個数: 16

約数和(自身を含む): 16792272

約数和(自身を除く): 3894287

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 3701, 18505, 62917, 151741, 314585, 758705, 2579597, 12897985]

約数ペア:

[(1, 12897985), (5, 2579597), (17, 758705), (41, 314585), (85, 151741), (205, 62917), (697, 18505), (3485, 3701)]