2217895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 2822400

約数和(自身を除く): 604505

約数列:

[1, 5, 31, 41, 155, 205, 349, 1271, 1745, 6355, 10819, 14309, 54095, 71545, 443579, 2217895]

約数ペア:

[(1, 2217895), (5, 443579), (31, 71545), (41, 54095), (155, 14309), (205, 10819), (349, 6355), (1271, 1745)]