11997895

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3767}}^1$

素因数の和:3799

約数の個数: 24

約数和(自身を含む): 18041184

約数和(自身を除く): 6043289

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 3767, 18835, 26369, 48971, 131845, 184583, 244855, 342797, 922915, 1713985, 2399579, 11997895]

約数ペア:

[(1, 11997895), (5, 2399579), (7, 1713985), (13, 922915), (35, 342797), (49, 244855), (65, 184583), (91, 131845), (245, 48971), (455, 26369), (637, 18835), (3185, 3767)]