140402906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{323509}}^1$

素因数の和:323549

約数の個数: 16

約数和(自身を含む): 248455680

約数和(自身を除く): 108052774

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 323509, 647018, 2264563, 4529126, 10028779, 20057558, 70201453, 140402906]

約数ペア:

[(1, 140402906), (2, 70201453), (7, 20057558), (14, 10028779), (31, 4529126), (62, 2264563), (217, 647018), (434, 323509)]