1285366928

素因数分解:

$2^4\times {\mathrm{3137}}^1\times {\mathrm{25609}}^1$

素因数の和:28754

約数の個数: 20

約数和(自身を含む): 2491289580

約数和(自身を除く): 1205922652

約数列:

[1, 2, 4, 8, 16, 3137, 6274, 12548, 25096, 25609, 50192, 51218, 102436, 204872, 409744, 80335433, 160670866, 321341732, 642683464, 1285366928]

約数ペア:

[(1, 1285366928), (2, 642683464), (4, 321341732), (8, 160670866), (16, 80335433), (3137, 409744), (6274, 204872), (12548, 102436), (25096, 51218), (25609, 50192)]