209715004

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{521}}^1\times {\mathrm{977}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 371655648

約数和(自身を除く): 161940644

約数列:

[1, 2, 4, 103, 206, 412, 521, 977, 1042, 1954, 2084, 3908, 53663, 100631, 107326, 201262, 214652, 402524, 509017, 1018034, 2036068, 52428751, 104857502, 209715004]

約数ペア:

[(1, 209715004), (2, 104857502), (4, 52428751), (103, 2036068), (206, 1018034), (412, 509017), (521, 402524), (977, 214652), (1042, 201262), (1954, 107326), (2084, 100631), (3908, 53663)]