2855909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 16

約数和(自身を含む): 3484800

約数和(自身を除く): 628891

約数列:

[1, 7, 19, 109, 133, 197, 763, 1379, 2071, 3743, 14497, 21473, 26201, 150311, 407987, 2855909]

約数ペア:

[(1, 2855909), (7, 407987), (19, 150311), (109, 26201), (133, 21473), (197, 14497), (763, 3743), (1379, 2071)]