647536356

素因数分解:

$2^2\times 3^4\times {\mathrm{1998569}}^1$

素因数の和:1998585

約数の個数: 30

約数和(自身を含む): 1692788790

約数和(自身を除く): 1045252434

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1998569, 3997138, 5995707, 7994276, 11991414, 17987121, 23982828, 35974242, 53961363, 71948484, 107922726, 161884089, 215845452, 323768178, 647536356]

約数ペア:

[(1, 647536356), (2, 323768178), (3, 215845452), (4, 161884089), (6, 107922726), (9, 71948484), (12, 53961363), (18, 35974242), (27, 23982828), (36, 17987121), (54, 11991414), (81, 7994276), (108, 5995707), (162, 3997138), (324, 1998569)]