28978510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 57366144

約数和(自身を除く): 28387634

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2011, 2882, 4022, 7205, 10055, 14410, 20110, 22121, 44242, 110605, 221210, 263441, 526882, 1317205, 2634410, 2897851, 5795702, 14489255, 28978510]

約数ペア:

[(1, 28978510), (2, 14489255), (5, 5795702), (10, 2897851), (11, 2634410), (22, 1317205), (55, 526882), (110, 263441), (131, 221210), (262, 110605), (655, 44242), (1310, 22121), (1441, 20110), (2011, 14410), (2882, 10055), (4022, 7205)]