281640190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{9803}}^1$

素因数の和:9853

約数の個数: 48

約数和(自身を含む): 581298768

約数和(自身を除く): 299658578

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2873, 5746, 9803, 14365, 19606, 28730, 49015, 98030, 127439, 166651, 254878, 333302, 637195, 833255, 1274390, 1656707, 1666510, 2166463, 3313414, 4332926, 8283535, 10832315, 16567070, 21664630, 28164019, 56328038, 140820095, 281640190]

約数ペア:

[(1, 281640190), (2, 140820095), (5, 56328038), (10, 28164019), (13, 21664630), (17, 16567070), (26, 10832315), (34, 8283535), (65, 4332926), (85, 3313414), (130, 2166463), (169, 1666510), (170, 1656707), (221, 1274390), (338, 833255), (442, 637195), (845, 333302), (1105, 254878), (1690, 166651), (2210, 127439), (2873, 98030), (5746, 49015), (9803, 28730), (14365, 19606)]