221427258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{5689}}^1$

素因数の和:6206

約数の個数: 32

約数和(自身を含む): 477960000

約数和(自身を除く): 256532742

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 499, 998, 1497, 2994, 5689, 6487, 11378, 12974, 17067, 19461, 34134, 38922, 73957, 147914, 221871, 443742, 2838811, 5677622, 8516433, 17032866, 36904543, 73809086, 110713629, 221427258]

約数ペア:

[(1, 221427258), (2, 110713629), (3, 73809086), (6, 36904543), (13, 17032866), (26, 8516433), (39, 5677622), (78, 2838811), (499, 443742), (998, 221871), (1497, 147914), (2994, 73957), (5689, 38922), (6487, 34134), (11378, 19461), (12974, 17067)]