1399862009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{496229}}^1$

素因数の和:496280

約数の個数: 16

約数和(自身を含む): 1778488320

約数和(自身を除く): 378626311

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 496229, 3473603, 6450977, 15383099, 45156839, 107681693, 199980287, 1399862009]

約数ペア:

[(1, 1399862009), (7, 199980287), (13, 107681693), (31, 45156839), (91, 15383099), (217, 6450977), (403, 3473603), (2821, 496229)]