81269807752

素因数分解:

$2^3\times 7^1\times {\mathrm{70051}}^1\times {\mathrm{20717}}^1$

素因数の和:90781

約数の個数: 32

約数和(自身を含む): 174160480320

約数和(自身を除く): 92890672568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 20717, 41434, 70051, 82868, 140102, 145019, 165736, 280204, 290038, 490357, 560408, 580076, 980714, 1160152, 1961428, 3922856, 1451246567, 2902493134, 5804986268, 10158725969, 11609972536, 20317451938, 40634903876, 81269807752]

約数ペア:

[(1, 81269807752), (2, 40634903876), (4, 20317451938), (7, 11609972536), (8, 10158725969), (14, 5804986268), (28, 2902493134), (56, 1451246567), (20717, 3922856), (41434, 1961428), (70051, 1160152), (82868, 980714), (140102, 580076), (145019, 560408), (165736, 490357), (280204, 290038)]