490820408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{46727}}^1$

素因数の和:46847

約数の個数: 32

約数和(自身を含む): 1000913760

約数和(自身を除く): 510093352

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2626, 5252, 10504, 46727, 93454, 186908, 373816, 607451, 1214902, 2429804, 4719427, 4859608, 9438854, 18877708, 37755416, 61352551, 122705102, 245410204, 490820408]

約数ペア:

[(1, 490820408), (2, 245410204), (4, 122705102), (8, 61352551), (13, 37755416), (26, 18877708), (52, 9438854), (101, 4859608), (104, 4719427), (202, 2429804), (404, 1214902), (808, 607451), (1313, 373816), (2626, 186908), (5252, 93454), (10504, 46727)]