321567496

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{1621}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 611072280

約数和(自身を除く): 289504784

約数列:

[1, 2, 4, 8, 137, 181, 274, 362, 548, 724, 1096, 1448, 1621, 3242, 6484, 12968, 24797, 49594, 99188, 198376, 222077, 293401, 444154, 586802, 888308, 1173604, 1776616, 2347208, 40195937, 80391874, 160783748, 321567496]

約数ペア:

[(1, 321567496), (2, 160783748), (4, 80391874), (8, 40195937), (137, 2347208), (181, 1776616), (274, 1173604), (362, 888308), (548, 586802), (724, 444154), (1096, 293401), (1448, 222077), (1621, 198376), (3242, 99188), (6484, 49594), (12968, 24797)]