31639270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{947}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 61635168

約数和(自身を除く): 29995898

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 947, 1285, 1894, 2570, 3341, 4735, 6682, 9470, 12311, 16705, 24622, 33410, 61555, 123110, 243379, 486758, 1216895, 2433790, 3163927, 6327854, 15819635, 31639270]

約数ペア:

[(1, 31639270), (2, 15819635), (5, 6327854), (10, 3163927), (13, 2433790), (26, 1216895), (65, 486758), (130, 243379), (257, 123110), (514, 61555), (947, 33410), (1285, 24622), (1894, 16705), (2570, 12311), (3341, 9470), (4735, 6682)]