140810908

素因数分解:

$2^2\times 7^2\times {\mathrm{718423}}^1$

素因数の和:718441

約数の個数: 18

約数和(自身を含む): 286651176

約数和(自身を除く): 145840268

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 718423, 1436846, 2873692, 5028961, 10057922, 20115844, 35202727, 70405454, 140810908]

約数ペア:

[(1, 140810908), (2, 70405454), (4, 35202727), (7, 20115844), (14, 10057922), (28, 5028961), (49, 2873692), (98, 1436846), (196, 718423)]