81489310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{3121}}^1$

素因数の和:3508

約数の個数: 32

約数和(自身を含む): 168138432

約数和(自身を除く): 86649122

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 373, 746, 1865, 2611, 3121, 3730, 5222, 6242, 13055, 15605, 21847, 26110, 31210, 43694, 109235, 218470, 1164133, 2328266, 5820665, 8148931, 11641330, 16297862, 40744655, 81489310]

約数ペア:

[(1, 81489310), (2, 40744655), (5, 16297862), (7, 11641330), (10, 8148931), (14, 5820665), (35, 2328266), (70, 1164133), (373, 218470), (746, 109235), (1865, 43694), (2611, 31210), (3121, 26110), (3730, 21847), (5222, 15605), (6242, 13055)]