1277894410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{21893}}^1$

素因数の和:22362

約数の個数: 32

約数和(自身を含む): 2482779600

約数和(自身を除く): 1204885190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 4490, 5837, 11674, 21893, 29185, 43786, 58370, 109465, 218930, 284609, 569218, 1423045, 2846090, 9829957, 19659914, 49149785, 98299570, 127789441, 255578882, 638947205, 1277894410]

約数ペア:

[(1, 1277894410), (2, 638947205), (5, 255578882), (10, 127789441), (13, 98299570), (26, 49149785), (65, 19659914), (130, 9829957), (449, 2846090), (898, 1423045), (2245, 569218), (4490, 284609), (5837, 218930), (11674, 109465), (21893, 58370), (29185, 43786)]