668215870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9545941}}^1$

素因数の和:9545955

約数の個数: 16

約数和(自身を含む): 1374615648

約数和(自身を除く): 706399778

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9545941, 19091882, 47729705, 66821587, 95459410, 133643174, 334107935, 668215870]

約数ペア:

[(1, 668215870), (2, 334107935), (5, 133643174), (7, 95459410), (10, 66821587), (14, 47729705), (35, 19091882), (70, 9545941)]