1285264510

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2106991}}^1$

素因数の和:2107059

約数の個数: 16

約数和(自身を含む): 2351403072

約数和(自身を除く): 1066138562

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 2106991, 4213982, 10534955, 21069910, 128526451, 257052902, 642632255, 1285264510]

約数ペア:

[(1, 1285264510), (2, 642632255), (5, 257052902), (10, 128526451), (61, 21069910), (122, 10534955), (305, 4213982), (610, 2106991)]