289486897

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 365783040

約数和(自身を除く): 76296143

約数列:

[1, 7, 17, 31, 97, 119, 217, 527, 679, 809, 1649, 3007, 3689, 5663, 11543, 13753, 21049, 25079, 51119, 78473, 96271, 175553, 357833, 426343, 549311, 1334041, 2432663, 2984401, 9338287, 17028641, 41355271, 289486897]

約数ペア:

[(1, 289486897), (7, 41355271), (17, 17028641), (31, 9338287), (97, 2984401), (119, 2432663), (217, 1334041), (527, 549311), (679, 426343), (809, 357833), (1649, 175553), (3007, 96271), (3689, 78473), (5663, 51119), (11543, 25079), (13753, 21049)]