221427448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{148013}}^1$

素因数の和:148047

約数の個数: 32

約数和(自身を含む): 479565360

約数和(自身を除く): 258137912

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 148013, 296026, 592052, 1184104, 1628143, 2516221, 3256286, 5032442, 6512572, 10064884, 13025144, 20129768, 27678431, 55356862, 110713724, 221427448]

約数ペア:

[(1, 221427448), (2, 110713724), (4, 55356862), (8, 27678431), (11, 20129768), (17, 13025144), (22, 10064884), (34, 6512572), (44, 5032442), (68, 3256286), (88, 2516221), (136, 1628143), (187, 1184104), (374, 592052), (748, 296026), (1496, 148013)]