1397485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 1823472

約数和(自身を除く): 425987

約数列:

[1, 5, 17, 41, 85, 205, 401, 697, 2005, 3485, 6817, 16441, 34085, 82205, 279497, 1397485]

約数ペア:

[(1, 1397485), (5, 279497), (17, 82205), (41, 34085), (85, 16441), (205, 6817), (401, 3485), (697, 2005)]