13475815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 18320256

約数和(自身を除く): 4844441

約数列:

[1, 5, 17, 23, 61, 85, 113, 115, 305, 391, 565, 1037, 1403, 1921, 1955, 2599, 5185, 6893, 7015, 9605, 12995, 23851, 34465, 44183, 117181, 119255, 158539, 220915, 585905, 792695, 2695163, 13475815]

約数ペア:

[(1, 13475815), (5, 2695163), (17, 792695), (23, 585905), (61, 220915), (85, 158539), (113, 119255), (115, 117181), (305, 44183), (391, 34465), (565, 23851), (1037, 12995), (1403, 9605), (1921, 7015), (1955, 6893), (2599, 5185)]