638548564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{433}}^1\times {\mathrm{12713}}^1$

素因数の和:13179

約数の個数: 24

約数和(自身を含む): 1158753960

約数和(自身を除く): 520205396

約数列:

[1, 2, 4, 29, 58, 116, 433, 866, 1732, 12557, 12713, 25114, 25426, 50228, 50852, 368677, 737354, 1474708, 5504729, 11009458, 22018916, 159637141, 319274282, 638548564]

約数ペア:

[(1, 638548564), (2, 319274282), (4, 159637141), (29, 22018916), (58, 11009458), (116, 5504729), (433, 1474708), (866, 737354), (1732, 368677), (12557, 50852), (12713, 50228), (25114, 25426)]