81874261

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{11279}}^1$

素因数の和:11364

約数の個数: 16

約数和(自身を含む): 100707840

約数和(自身を除く): 18833579

約数列:

[1, 7, 17, 61, 119, 427, 1037, 7259, 11279, 78953, 191743, 688019, 1342201, 4816133, 11696323, 81874261]

約数ペア:

[(1, 81874261), (7, 11696323), (17, 4816133), (61, 1342201), (119, 688019), (427, 191743), (1037, 78953), (7259, 11279)]