64673140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{65993}}^1$

素因数の和:66016

約数の個数: 36

約数和(自身を含む): 157989636

約数和(自身を除く): 93316496

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 65993, 131986, 263972, 329965, 461951, 659930, 923902, 1319860, 1847804, 2309755, 3233657, 4619510, 6467314, 9239020, 12934628, 16168285, 32336570, 64673140]

約数ペア:

[(1, 64673140), (2, 32336570), (4, 16168285), (5, 12934628), (7, 9239020), (10, 6467314), (14, 4619510), (20, 3233657), (28, 2309755), (35, 1847804), (49, 1319860), (70, 923902), (98, 659930), (140, 461951), (196, 329965), (245, 263972), (490, 131986), (980, 65993)]