664277562

素因数分解:

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

素因数の和:40075

約数の個数: 48

約数和(自身を含む): 1571851008

約数和(自身を除く): 907573446

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 39983, 79966, 119949, 239898, 359847, 519779, 719694, 1039558, 1559337, 2838793, 3118674, 4678011, 5677586, 8516379, 9356022, 17032758, 25549137, 36904309, 51098274, 73808618, 110712927, 221425854, 332138781, 664277562]

約数ペア:

[(1, 664277562), (2, 332138781), (3, 221425854), (6, 110712927), (9, 73808618), (13, 51098274), (18, 36904309), (26, 25549137), (39, 17032758), (71, 9356022), (78, 8516379), (117, 5677586), (142, 4678011), (213, 3118674), (234, 2838793), (426, 1559337), (639, 1039558), (923, 719694), (1278, 519779), (1846, 359847), (2769, 239898), (5538, 119949), (8307, 79966), (16614, 39983)]