1640439388

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{568807}}^1$

素因数の和:568921

約数の個数: 24

約数和(自身を含む): 3312737792

約数和(自身を除く): 1672298404

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 568807, 1137614, 2275228, 3981649, 7963298, 15926596, 58587121, 117174242, 234348484, 410109847, 820219694, 1640439388]

約数ペア:

[(1, 1640439388), (2, 820219694), (4, 410109847), (7, 234348484), (14, 117174242), (28, 58587121), (103, 15926596), (206, 7963298), (412, 3981649), (721, 2275228), (1442, 1137614), (2884, 568807)]