28720804

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6793}}^1$

素因数の和:6955

約数の個数: 24

約数和(自身を含む): 57830528

約数和(自身を除く): 29109724

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 6793, 13586, 27172, 47551, 95102, 190204, 1025743, 2051486, 4102972, 7180201, 14360402, 28720804]

約数ペア:

[(1, 28720804), (2, 14360402), (4, 7180201), (7, 4102972), (14, 2051486), (28, 1025743), (151, 190204), (302, 95102), (604, 47551), (1057, 27172), (2114, 13586), (4228, 6793)]