13238869

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 17039808

約数和(自身を除く): 3800939

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 691, 833, 1127, 2737, 4837, 11747, 15893, 19159, 33859, 82229, 111251, 270181, 575603, 778757, 1891267, 13238869]

約数ペア:

[(1, 13238869), (7, 1891267), (17, 778757), (23, 575603), (49, 270181), (119, 111251), (161, 82229), (391, 33859), (691, 19159), (833, 15893), (1127, 11747), (2737, 4837)]