208596479

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 270106032

約数和(自身を除く): 61509553

約数列:

[1, 7, 13, 41, 49, 91, 163, 287, 343, 533, 637, 1141, 2009, 2119, 2401, 3731, 4459, 6683, 7987, 14063, 14833, 26117, 31213, 46781, 55909, 86879, 98441, 103831, 182819, 327467, 391363, 608153, 726817, 1279733, 2292269, 4257071, 5087719, 16045883, 29799497, 208596479]

約数ペア:

[(1, 208596479), (7, 29799497), (13, 16045883), (41, 5087719), (49, 4257071), (91, 2292269), (163, 1279733), (287, 726817), (343, 608153), (533, 391363), (637, 327467), (1141, 182819), (2009, 103831), (2119, 98441), (2401, 86879), (3731, 55909), (4459, 46781), (6683, 31213), (7987, 26117), (14063, 14833)]