1728602005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{857867}}^1$

素因数の和:857916

約数の個数: 16

約数和(自身を含む): 2305949184

約数和(自身を除く): 577347179

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 857867, 4289335, 11152271, 26593877, 55761355, 132969385, 345720401, 1728602005]

約数ペア:

[(1, 1728602005), (5, 345720401), (13, 132969385), (31, 55761355), (65, 26593877), (155, 11152271), (403, 4289335), (2015, 857867)]