13491455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 18330624

約数和(自身を除く): 4839169

約数列:

[1, 5, 17, 23, 67, 85, 103, 115, 335, 391, 515, 1139, 1541, 1751, 1955, 2369, 5695, 6901, 7705, 8755, 11845, 26197, 34505, 40273, 117317, 130985, 158723, 201365, 586585, 793615, 2698291, 13491455]

約数ペア:

[(1, 13491455), (5, 2698291), (17, 793615), (23, 586585), (67, 201365), (85, 158723), (103, 130985), (115, 117317), (335, 40273), (391, 34505), (515, 26197), (1139, 11845), (1541, 8755), (1751, 7705), (1955, 6901), (2369, 5695)]