31138475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 41903568

約数和(自身を除く): 10765093

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 1787, 3485, 8935, 17425, 30379, 44675, 73267, 151895, 366335, 759475, 1245539, 1831675, 6227695, 31138475]

約数ペア:

[(1, 31138475), (5, 6227695), (17, 1831675), (25, 1245539), (41, 759475), (85, 366335), (205, 151895), (425, 73267), (697, 44675), (1025, 30379), (1787, 17425), (3485, 8935)]