221425854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{39983}}^1$

素因数の和:40072

約数の個数: 32

約数和(自身を含む): 483646464

約数和(自身を除く): 262220610

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 39983, 79966, 119949, 239898, 519779, 1039558, 1559337, 2838793, 3118674, 5677586, 8516379, 17032758, 36904309, 73808618, 110712927, 221425854]

約数ペア:

[(1, 221425854), (2, 110712927), (3, 73808618), (6, 36904309), (13, 17032758), (26, 8516379), (39, 5677586), (71, 3118674), (78, 2838793), (142, 1559337), (213, 1039558), (426, 519779), (923, 239898), (1846, 119949), (2769, 79966), (5538, 39983)]