642564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1373}}^1$

素因数の和:1396

約数の個数: 36

約数和(自身を含む): 1750476

約数和(自身を除く): 1107912

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1373, 2746, 4119, 5492, 8238, 12357, 16476, 17849, 24714, 35698, 49428, 53547, 71396, 107094, 160641, 214188, 321282, 642564]

約数ペア:

[(1, 642564), (2, 321282), (3, 214188), (4, 160641), (6, 107094), (9, 71396), (12, 53547), (13, 49428), (18, 35698), (26, 24714), (36, 17849), (39, 16476), (52, 12357), (78, 8238), (117, 5492), (156, 4119), (234, 2746), (468, 1373)]