12787890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1063}}^1$

素因数の和:1474

約数の個数: 32

約数和(自身を含む): 30796416

約数和(自身を除く): 18008526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1063, 1203, 2005, 2126, 2406, 3189, 4010, 5315, 6015, 6378, 10630, 12030, 15945, 31890, 426263, 852526, 1278789, 2131315, 2557578, 4262630, 6393945, 12787890]

約数ペア:

[(1, 12787890), (2, 6393945), (3, 4262630), (5, 2557578), (6, 2131315), (10, 1278789), (15, 852526), (30, 426263), (401, 31890), (802, 15945), (1063, 12030), (1203, 10630), (2005, 6378), (2126, 6015), (2406, 5315), (3189, 4010)]