644236366

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 995904000

約数和(自身を除く): 351667634

約数列:

[1, 2, 103, 139, 149, 151, 206, 278, 298, 302, 14317, 15347, 15553, 20711, 20989, 22499, 28634, 30694, 31106, 41422, 41978, 44998, 2133233, 2161867, 2317397, 3127361, 4266466, 4323734, 4634794, 6254722, 322118183, 644236366]

約数ペア:

[(1, 644236366), (2, 322118183), (103, 6254722), (139, 4634794), (149, 4323734), (151, 4266466), (206, 3127361), (278, 2317397), (298, 2161867), (302, 2133233), (14317, 44998), (15347, 41978), (15553, 41422), (20711, 31106), (20989, 30694), (22499, 28634)]