28684505

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 35251200

約数和(自身を除く): 6566695

約数列:

[1, 5, 79, 101, 395, 505, 719, 3595, 7979, 39895, 56801, 72619, 284005, 363095, 5736901, 28684505]

約数ペア:

[(1, 28684505), (5, 5736901), (79, 363095), (101, 284005), (395, 72619), (505, 56801), (719, 39895), (3595, 7979)]