396842498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{109807}}^1$

素因数の和:109961

約数の個数: 16

約数和(自身を含む): 645671040

約数和(自身を除く): 248828542

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 109807, 219614, 1427491, 2854982, 15263173, 30526346, 198421249, 396842498]

約数ペア:

[(1, 396842498), (2, 198421249), (13, 30526346), (26, 15263173), (139, 2854982), (278, 1427491), (1807, 219614), (3614, 109807)]