399360787

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{81853}}^1$

素因数の和:81918

約数の個数: 16

約数和(自身を含む): 495052992

約数和(自身を除く): 95692205

約数列:

[1, 7, 17, 41, 119, 287, 697, 4879, 81853, 572971, 1391501, 3355973, 9740507, 23491811, 57051541, 399360787]

約数ペア:

[(1, 399360787), (7, 57051541), (17, 23491811), (41, 9740507), (119, 3355973), (287, 1391501), (697, 572971), (4879, 81853)]