11721565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1692

約数の個数: 16

約数和(自身を含む): 14837760

約数和(自身を除く): 3116195

約数列:

[1, 5, 31, 47, 155, 235, 1457, 1609, 7285, 8045, 49879, 75623, 249395, 378115, 2344313, 11721565]

約数ペア:

[(1, 11721565), (5, 2344313), (31, 378115), (47, 249395), (155, 75623), (235, 49879), (1457, 8045), (1609, 7285)]