13219465

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 18714240

約数和(自身を除く): 5494775

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 683, 2765, 3415, 3871, 4781, 19355, 23905, 33467, 53957, 167335, 269785, 377699, 1888495, 2643893, 13219465]

約数ペア:

[(1, 13219465), (5, 2643893), (7, 1888495), (35, 377699), (49, 269785), (79, 167335), (245, 53957), (395, 33467), (553, 23905), (683, 19355), (2765, 4781), (3415, 3871)]