131590810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{7727}}^1$

素因数の和:7878

約数の個数: 32

約数和(自身を含む): 257064192

約数和(自身を除く): 125473382

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 7727, 8515, 15454, 17030, 38635, 77270, 100451, 200902, 502255, 1004510, 1012237, 2024474, 5061185, 10122370, 13159081, 26318162, 65795405, 131590810]

約数ペア:

[(1, 131590810), (2, 65795405), (5, 26318162), (10, 13159081), (13, 10122370), (26, 5061185), (65, 2024474), (130, 1012237), (131, 1004510), (262, 502255), (655, 200902), (1310, 100451), (1703, 77270), (3406, 38635), (7727, 17030), (8515, 15454)]