861376210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{16729}}^1$

素因数の和:17026

約数の個数: 32

約数和(自身を含む): 1638201600

約数和(自身を除く): 776825390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 271, 542, 1355, 2710, 5149, 10298, 16729, 25745, 33458, 51490, 83645, 167290, 317851, 635702, 1589255, 3178510, 4533559, 9067118, 22667795, 45335590, 86137621, 172275242, 430688105, 861376210]

約数ペア:

[(1, 861376210), (2, 430688105), (5, 172275242), (10, 86137621), (19, 45335590), (38, 22667795), (95, 9067118), (190, 4533559), (271, 3178510), (542, 1589255), (1355, 635702), (2710, 317851), (5149, 167290), (10298, 83645), (16729, 51490), (25745, 33458)]