217816638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2792521}}^1$

素因数の和:2792539

約数の個数: 16

約数和(自身を含む): 469143696

約数和(自身を除く): 251327058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2792521, 5585042, 8377563, 16755126, 36302773, 72605546, 108908319, 217816638]

約数ペア:

[(1, 217816638), (2, 108908319), (3, 72605546), (6, 36302773), (13, 16755126), (26, 8377563), (39, 5585042), (78, 2792521)]