12653825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 16368000

約数和(自身を除く): 3714175

約数列:

[1, 5, 25, 43, 79, 149, 215, 395, 745, 1075, 1975, 3397, 3725, 6407, 11771, 16985, 32035, 58855, 84925, 160175, 294275, 506153, 2530765, 12653825]

約数ペア:

[(1, 12653825), (5, 2530765), (25, 506153), (43, 294275), (79, 160175), (149, 84925), (215, 58855), (395, 32035), (745, 16985), (1075, 11771), (1975, 6407), (3397, 3725)]