215008638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2756521}}^1$

素因数の和:2756539

約数の個数: 16

約数和(自身を含む): 463095696

約数和(自身を除く): 248087058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2756521, 5513042, 8269563, 16539126, 35834773, 71669546, 107504319, 215008638]

約数ペア:

[(1, 215008638), (2, 107504319), (3, 71669546), (6, 35834773), (13, 16539126), (26, 8269563), (39, 5513042), (78, 2756521)]