211671860

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{26393}}^1$

素因数の和:26803

約数の個数: 24

約数和(自身を含む): 445636296

約数和(自身を除く): 233964436

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 26393, 52786, 105572, 131965, 263930, 527860, 10583593, 21167186, 42334372, 52917965, 105835930, 211671860]

約数ペア:

[(1, 211671860), (2, 105835930), (4, 52917965), (5, 42334372), (10, 21167186), (20, 10583593), (401, 527860), (802, 263930), (1604, 131965), (2005, 105572), (4010, 52786), (8020, 26393)]