13402025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 21081984

約数和(自身を除く): 7679959

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 137, 175, 215, 301, 325, 455, 559, 685, 959, 1075, 1505, 1781, 2275, 2795, 3425, 3913, 4795, 5891, 7525, 8905, 12467, 13975, 19565, 23975, 29455, 41237, 44525, 62335, 76583, 97825, 147275, 206185, 311675, 382915, 536081, 1030925, 1914575, 2680405, 13402025]

約数ペア:

[(1, 13402025), (5, 2680405), (7, 1914575), (13, 1030925), (25, 536081), (35, 382915), (43, 311675), (65, 206185), (91, 147275), (137, 97825), (175, 76583), (215, 62335), (301, 44525), (325, 41237), (455, 29455), (559, 23975), (685, 19565), (959, 13975), (1075, 12467), (1505, 8905), (1781, 7525), (2275, 5891), (2795, 4795), (3425, 3913)]