291205369

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139133}}^1$

素因数の和:139176

約数の個数: 16

約数和(自身を含む): 373992192

約数和(自身を除く): 82786823

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 139133, 973931, 1808729, 3200059, 12661103, 22400413, 41600767, 291205369]

約数ペア:

[(1, 291205369), (7, 41600767), (13, 22400413), (23, 12661103), (91, 3200059), (161, 1808729), (299, 973931), (2093, 139133)]