66939472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{571}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 137884032

約数和(自身を除く): 70944560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 431, 571, 862, 1142, 1724, 2284, 3448, 4568, 6896, 7327, 9136, 9707, 14654, 19414, 29308, 38828, 58616, 77656, 117232, 155312, 246101, 492202, 984404, 1968808, 3937616, 4183717, 8367434, 16734868, 33469736, 66939472]

約数ペア:

[(1, 66939472), (2, 33469736), (4, 16734868), (8, 8367434), (16, 4183717), (17, 3937616), (34, 1968808), (68, 984404), (136, 492202), (272, 246101), (431, 155312), (571, 117232), (862, 77656), (1142, 58616), (1724, 38828), (2284, 29308), (3448, 19414), (4568, 14654), (6896, 9707), (7327, 9136)]