204492925

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12841}}^1$

素因数の和:12878

約数の個数: 36

約数和(自身を含む): 317685396

約数和(自身を除く): 113192471

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185, 12841, 15925, 64205, 89887, 166933, 321025, 449435, 629209, 834665, 1168531, 2247175, 3146045, 4173325, 5842655, 8179717, 15730225, 29213275, 40898585, 204492925]

約数ペア:

[(1, 204492925), (5, 40898585), (7, 29213275), (13, 15730225), (25, 8179717), (35, 5842655), (49, 4173325), (65, 3146045), (91, 2247175), (175, 1168531), (245, 834665), (325, 629209), (455, 449435), (637, 321025), (1225, 166933), (2275, 89887), (3185, 64205), (12841, 15925)]