1287996866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1598011}}^1$

素因数の和:1598057

約数の個数: 16

約数和(自身を含む): 2147728128

約数和(自身を除く): 859731262

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1598011, 3196022, 20774143, 41548286, 49538341, 99076682, 643998433, 1287996866]

約数ペア:

[(1, 1287996866), (2, 643998433), (13, 99076682), (26, 49538341), (31, 41548286), (62, 20774143), (403, 3196022), (806, 1598011)]