87731090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{857}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 164015280

約数和(自身を除く): 76284190

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 353, 706, 857, 1714, 1765, 3530, 4285, 8570, 10237, 20474, 24853, 49706, 51185, 102370, 124265, 248530, 302521, 605042, 1512605, 3025210, 8773109, 17546218, 43865545, 87731090]

約数ペア:

[(1, 87731090), (2, 43865545), (5, 17546218), (10, 8773109), (29, 3025210), (58, 1512605), (145, 605042), (290, 302521), (353, 248530), (706, 124265), (857, 102370), (1714, 51185), (1765, 49706), (3530, 24853), (4285, 20474), (8570, 10237)]