258653285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1471}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 356106240

約数和(自身を除く): 97452955

約数列:

[1, 5, 11, 23, 55, 115, 139, 253, 695, 1265, 1471, 1529, 3197, 7355, 7645, 15985, 16181, 33833, 35167, 80905, 169165, 175835, 204469, 372163, 1022345, 1860815, 2249159, 4702787, 11245795, 23513935, 51730657, 258653285]

約数ペア:

[(1, 258653285), (5, 51730657), (11, 23513935), (23, 11245795), (55, 4702787), (115, 2249159), (139, 1860815), (253, 1022345), (695, 372163), (1265, 204469), (1471, 175835), (1529, 169165), (3197, 80905), (7355, 35167), (7645, 33833), (15985, 16181)]