13295219

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 16547328

約数和(自身を除く): 3252109

約数列:

[1, 7, 23, 47, 49, 161, 251, 329, 1081, 1127, 1757, 2303, 5773, 7567, 11797, 12299, 40411, 52969, 82579, 271331, 282877, 578053, 1899317, 13295219]

約数ペア:

[(1, 13295219), (7, 1899317), (23, 578053), (47, 282877), (49, 271331), (161, 82579), (251, 52969), (329, 40411), (1081, 12299), (1127, 11797), (1757, 7567), (2303, 5773)]