15661795

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4021}}^1$

素因数の和:4086

約数の個数: 16

約数和(自身を含む): 20270880

約数和(自身を除く): 4609085

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 4021, 20105, 76399, 164861, 381995, 824305, 3132359, 15661795]

約数ペア:

[(1, 15661795), (5, 3132359), (19, 824305), (41, 381995), (95, 164861), (205, 76399), (779, 20105), (3895, 4021)]