394412473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139813}}^1$

素因数の和:139864

約数の個数: 16

約数和(自身を含む): 501093376

約数和(自身を除く): 106680903

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 139813, 978691, 1817569, 4334203, 12722983, 30339421, 56344639, 394412473]

約数ペア:

[(1, 394412473), (7, 56344639), (13, 30339421), (31, 12722983), (91, 4334203), (217, 1817569), (403, 978691), (2821, 139813)]