1243565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1575936

約数和(自身を除く): 332371

約数列:

[1, 5, 31, 71, 113, 155, 355, 565, 2201, 3503, 8023, 11005, 17515, 40115, 248713, 1243565]

約数ペア:

[(1, 1243565), (5, 248713), (31, 40115), (71, 17515), (113, 11005), (155, 8023), (355, 3503), (565, 2201)]