2017910209

素因数分解:

$7^2\times {\mathrm{101}}^1\times {\mathrm{407741}}^1$

素因数の和:407856

約数の個数: 12

約数和(自身を含む): 2370611988

約数和(自身を除く): 352701779

約数列:

[1, 7, 49, 101, 707, 4949, 407741, 2854187, 19979309, 41181841, 288272887, 2017910209]

約数ペア:

[(1, 2017910209), (7, 288272887), (49, 41181841), (101, 19979309), (707, 2854187), (4949, 407741)]