398542417

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{141277}}^1$

素因数の和:141328

約数の個数: 16

約数和(自身を含む): 506340352

約数和(自身を除く): 107797935

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 141277, 988939, 1836601, 4379587, 12856207, 30657109, 56934631, 398542417]

約数ペア:

[(1, 398542417), (7, 56934631), (13, 30657109), (31, 12856207), (91, 4379587), (217, 1836601), (403, 988939), (2821, 141277)]