28103755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^2$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 37090800

約数和(自身を除く): 8987045

約数列:

[1, 5, 19, 29, 95, 101, 145, 505, 551, 1919, 2755, 2929, 9595, 10201, 14645, 51005, 55651, 193819, 278255, 295829, 969095, 1479145, 5620751, 28103755]

約数ペア:

[(1, 28103755), (5, 5620751), (19, 1479145), (29, 969095), (95, 295829), (101, 278255), (145, 193819), (505, 55651), (551, 51005), (1919, 14645), (2755, 10201), (2929, 9595)]