198413005

素因数分解:

$5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{1879}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 277758720

約数和(自身を除く): 79345715

約数列:

[1, 5, 7, 35, 49, 245, 431, 1879, 2155, 3017, 9395, 13153, 15085, 21119, 65765, 92071, 105595, 460355, 809849, 4049245, 5668943, 28344715, 39682601, 198413005]

約数ペア:

[(1, 198413005), (5, 39682601), (7, 28344715), (35, 5668943), (49, 4049245), (245, 809849), (431, 460355), (1879, 105595), (2155, 92071), (3017, 65765), (9395, 21119), (13153, 15085)]