17721398

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5393}}^1$

素因数の和:5479

約数の個数: 16

約数和(自身を含む): 27962496

約数和(自身を除く): 10241098

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 5393, 10786, 167183, 285829, 334366, 571658, 8860699, 17721398]

約数ペア:

[(1, 17721398), (2, 8860699), (31, 571658), (53, 334366), (62, 285829), (106, 167183), (1643, 10786), (3286, 5393)]