86640785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1781

約数の個数: 32

約数和(自身を含む): 130636800

約数和(自身を除く): 43996015

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 695, 973, 1529, 1619, 4865, 7645, 8095, 10703, 11333, 17809, 53515, 56665, 89045, 124663, 225041, 623315, 1125205, 1575287, 2475451, 7876435, 12377255, 17328157, 86640785]

約数ペア:

[(1, 86640785), (5, 17328157), (7, 12377255), (11, 7876435), (35, 2475451), (55, 1575287), (77, 1125205), (139, 623315), (385, 225041), (695, 124663), (973, 89045), (1529, 56665), (1619, 53515), (4865, 17809), (7645, 11333), (8095, 10703)]