1216585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 1555200

約数和(自身を除く): 338615

約数列:

[1, 5, 23, 71, 115, 149, 355, 745, 1633, 3427, 8165, 10579, 17135, 52895, 243317, 1216585]

約数ペア:

[(1, 1216585), (5, 243317), (23, 52895), (71, 17135), (115, 10579), (149, 8165), (355, 3427), (745, 1633)]