625862445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{20443}}^1$

素因数の和:20621

約数の個数: 32

約数和(自身を含む): 1085331072

約数和(自身を除く): 459468627

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 2041, 2355, 6123, 10205, 20443, 30615, 61329, 102215, 265759, 306645, 797277, 1328795, 3209551, 3986385, 9628653, 16047755, 41724163, 48143265, 125172489, 208620815, 625862445]

約数ペア:

[(1, 625862445), (3, 208620815), (5, 125172489), (13, 48143265), (15, 41724163), (39, 16047755), (65, 9628653), (157, 3986385), (195, 3209551), (471, 1328795), (785, 797277), (2041, 306645), (2355, 265759), (6123, 102215), (10205, 61329), (20443, 30615)]