213688208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{430823}}^1$

素因数の和:430862

約数の個数: 20

約数和(自身を含む): 427377408

約数和(自身を除く): 213689200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 430823, 861646, 1723292, 3446584, 6893168, 13355513, 26711026, 53422052, 106844104, 213688208]

約数ペア:

[(1, 213688208), (2, 106844104), (4, 53422052), (8, 26711026), (16, 13355513), (31, 6893168), (62, 3446584), (124, 1723292), (248, 861646), (496, 430823)]