9780781634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8748463}}^1$

素因数の和:8748521

約数の個数: 16

約数和(自身を含む): 16167161472

約数和(自身を除く): 6386379838

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 8748463, 17496926, 113730019, 227460038, 376183909, 752367818, 4890390817, 9780781634]

約数ペア:

[(1, 9780781634), (2, 4890390817), (13, 752367818), (26, 376183909), (43, 227460038), (86, 113730019), (559, 17496926), (1118, 8748463)]