11980745

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 16963200

約数和(自身を除く): 4982455

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 619, 2765, 3095, 3871, 4333, 19355, 21665, 30331, 48901, 151655, 244505, 342307, 1711535, 2396149, 11980745]

約数ペア:

[(1, 11980745), (5, 2396149), (7, 1711535), (35, 342307), (49, 244505), (79, 151655), (245, 48901), (395, 30331), (553, 21665), (619, 19355), (2765, 4333), (3095, 3871)]