3978289

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 4876416

約数和(自身を除く): 898127

約数列:

[1, 7, 17, 101, 119, 331, 707, 1717, 2317, 5627, 12019, 33431, 39389, 234017, 568327, 3978289]

約数ペア:

[(1, 3978289), (7, 568327), (17, 234017), (101, 39389), (119, 33431), (331, 12019), (707, 5627), (1717, 2317)]