163240885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1511}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 219469824

約数和(自身を除く): 56228939

約数列:

[1, 5, 17, 31, 41, 85, 155, 205, 527, 697, 1271, 1511, 2635, 3485, 6355, 7555, 21607, 25687, 46841, 61951, 108035, 128435, 234205, 309755, 796297, 1053167, 1920481, 3981485, 5265835, 9602405, 32648177, 163240885]

約数ペア:

[(1, 163240885), (5, 32648177), (17, 9602405), (31, 5265835), (41, 3981485), (85, 1920481), (155, 1053167), (205, 796297), (527, 309755), (697, 234205), (1271, 128435), (1511, 108035), (2635, 61951), (3485, 46841), (6355, 25687), (7555, 21607)]