81497390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1\times {\mathrm{811}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 158378976

約数和(自身を除く): 76881586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 773, 811, 1546, 1622, 3865, 4055, 7730, 8110, 10049, 10543, 20098, 21086, 50245, 52715, 100490, 105430, 626903, 1253806, 3134515, 6269030, 8149739, 16299478, 40748695, 81497390]

約数ペア:

[(1, 81497390), (2, 40748695), (5, 16299478), (10, 8149739), (13, 6269030), (26, 3134515), (65, 1253806), (130, 626903), (773, 105430), (811, 100490), (1546, 52715), (1622, 50245), (3865, 21086), (4055, 20098), (7730, 10543), (8110, 10049)]