47268455

素因数分解:

$5^1\times {\mathrm{13}}^4\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 20

約数和(自身を含む): 61634472

約数和(自身を除く): 14366017

約数列:

[1, 5, 13, 65, 169, 331, 845, 1655, 2197, 4303, 10985, 21515, 28561, 55939, 142805, 279695, 727207, 3636035, 9453691, 47268455]

約数ペア:

[(1, 47268455), (5, 9453691), (13, 3636035), (65, 727207), (169, 279695), (331, 142805), (845, 55939), (1655, 28561), (2197, 21515), (4303, 10985)]