221985216

素因数分解:

$2^6\times 3^2\times {\mathrm{385391}}^1$

素因数の和:385409

約数の個数: 42

約数和(自身を含む): 636282192

約数和(自身を除く): 414296976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 385391, 770782, 1156173, 1541564, 2312346, 3083128, 3468519, 4624692, 6166256, 6937038, 9249384, 12332512, 13874076, 18498768, 24665024, 27748152, 36997536, 55496304, 73995072, 110992608, 221985216]

約数ペア:

[(1, 221985216), (2, 110992608), (3, 73995072), (4, 55496304), (6, 36997536), (8, 27748152), (9, 24665024), (12, 18498768), (16, 13874076), (18, 12332512), (24, 9249384), (32, 6937038), (36, 6166256), (48, 4624692), (64, 3468519), (72, 3083128), (96, 2312346), (144, 1541564), (192, 1156173), (288, 770782), (576, 385391)]