201781628

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{2351}}^1$

素因数の和:2897

約数の個数: 24

約数和(自身を含む): 362208000

約数和(自身を除く): 160426372

約数列:

[1, 2, 4, 43, 86, 172, 499, 998, 1996, 2351, 4702, 9404, 21457, 42914, 85828, 101093, 202186, 404372, 1173149, 2346298, 4692596, 50445407, 100890814, 201781628]

約数ペア:

[(1, 201781628), (2, 100890814), (4, 50445407), (43, 4692596), (86, 2346298), (172, 1173149), (499, 404372), (998, 202186), (1996, 101093), (2351, 85828), (4702, 42914), (9404, 21457)]