13230025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 17371904

約数和(自身を除く): 4141879

約数列:

[1, 5, 25, 31, 43, 155, 215, 397, 775, 1075, 1333, 1985, 6665, 9925, 12307, 17071, 33325, 61535, 85355, 307675, 426775, 529201, 2646005, 13230025]

約数ペア:

[(1, 13230025), (5, 2646005), (25, 529201), (31, 426775), (43, 307675), (155, 85355), (215, 61535), (397, 33325), (775, 17071), (1075, 12307), (1333, 9925), (1985, 6665)]