15278195

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{409}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 19050240

約数和(自身を除く): 3772045

約数列:

[1, 5, 31, 155, 241, 409, 1205, 2045, 7471, 12679, 37355, 63395, 98569, 492845, 3055639, 15278195]

約数ペア:

[(1, 15278195), (5, 3055639), (31, 492845), (155, 98569), (241, 63395), (409, 37355), (1205, 12679), (2045, 7471)]