206885690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{81773}}^1$

素因数の和:81814

約数の個数: 32

約数和(自身を含む): 423916416

約数和(自身を除く): 217030726

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 81773, 163546, 408865, 817730, 899503, 1799006, 1880779, 3761558, 4497515, 8995030, 9403895, 18807790, 20688569, 41377138, 103442845, 206885690]

約数ペア:

[(1, 206885690), (2, 103442845), (5, 41377138), (10, 20688569), (11, 18807790), (22, 9403895), (23, 8995030), (46, 4497515), (55, 3761558), (110, 1880779), (115, 1799006), (230, 899503), (253, 817730), (506, 408865), (1265, 163546), (2530, 81773)]