2144405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 16

約数和(自身を含む): 2782080

約数和(自身を除く): 637675

約数列:

[1, 5, 23, 29, 115, 145, 643, 667, 3215, 3335, 14789, 18647, 73945, 93235, 428881, 2144405]

約数ペア:

[(1, 2144405), (5, 428881), (23, 93235), (29, 73945), (115, 18647), (145, 14789), (643, 3335), (667, 3215)]