81081806

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 141826464

約数和(自身を除く): 60744658

約数列:

[1, 2, 13, 17, 26, 34, 103, 137, 169, 206, 221, 274, 338, 442, 1339, 1751, 1781, 2329, 2678, 2873, 3502, 3562, 4658, 5746, 14111, 17407, 22763, 23153, 28222, 30277, 34814, 45526, 46306, 60554, 183443, 239887, 295919, 366886, 393601, 479774, 591838, 787202, 2384759, 3118531, 4769518, 6237062, 40540903, 81081806]

約数ペア:

[(1, 81081806), (2, 40540903), (13, 6237062), (17, 4769518), (26, 3118531), (34, 2384759), (103, 787202), (137, 591838), (169, 479774), (206, 393601), (221, 366886), (274, 295919), (338, 239887), (442, 183443), (1339, 60554), (1751, 46306), (1781, 45526), (2329, 34814), (2678, 30277), (2873, 28222), (3502, 23153), (3562, 22763), (4658, 17407), (5746, 14111)]