13139693

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 16251840

約数和(自身を除く): 3112147

約数列:

[1, 7, 23, 49, 89, 131, 161, 623, 917, 1127, 2047, 3013, 4361, 6419, 11659, 14329, 21091, 81613, 100303, 147637, 268157, 571291, 1877099, 13139693]

約数ペア:

[(1, 13139693), (7, 1877099), (23, 571291), (49, 268157), (89, 147637), (131, 100303), (161, 81613), (623, 21091), (917, 14329), (1127, 11659), (2047, 6419), (3013, 4361)]