25157805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 43424640

約数和(自身を除く): 18266835

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2153, 2337, 3895, 6459, 10765, 11685, 32295, 40907, 88273, 122721, 204535, 264819, 441365, 613605, 1324095, 1677187, 5031561, 8385935, 25157805]

約数ペア:

[(1, 25157805), (3, 8385935), (5, 5031561), (15, 1677187), (19, 1324095), (41, 613605), (57, 441365), (95, 264819), (123, 204535), (205, 122721), (285, 88273), (615, 40907), (779, 32295), (2153, 11685), (2337, 10765), (3895, 6459)]