261012456

素因数分解:

$2^3\times 3^4\times {\mathrm{402797}}^1$

素因数の和:402815

約数の個数: 40

約数和(自身を含む): 731078370

約数和(自身を除く): 470065914

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 402797, 805594, 1208391, 1611188, 2416782, 3222376, 3625173, 4833564, 7250346, 9667128, 10875519, 14500692, 21751038, 29001384, 32626557, 43502076, 65253114, 87004152, 130506228, 261012456]

約数ペア:

[(1, 261012456), (2, 130506228), (3, 87004152), (4, 65253114), (6, 43502076), (8, 32626557), (9, 29001384), (12, 21751038), (18, 14500692), (24, 10875519), (27, 9667128), (36, 7250346), (54, 4833564), (72, 3625173), (81, 3222376), (108, 2416782), (162, 1611188), (216, 1208391), (324, 805594), (648, 402797)]