488656441

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2087}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 628604928

約数和(自身を除く): 139948487

約数列:

[1, 7, 13, 31, 83, 91, 217, 403, 581, 1079, 2087, 2573, 2821, 7553, 14609, 18011, 27131, 33449, 64697, 173221, 189917, 234143, 452879, 841061, 1212547, 2251873, 5369851, 5887427, 15763111, 37588957, 69808063, 488656441]

約数ペア:

[(1, 488656441), (7, 69808063), (13, 37588957), (31, 15763111), (83, 5887427), (91, 5369851), (217, 2251873), (403, 1212547), (581, 841061), (1079, 452879), (2087, 234143), (2573, 189917), (2821, 173221), (7553, 64697), (14609, 33449), (18011, 27131)]