859172321

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{221951}}^1$

素因数の和:222044

約数の個数: 12

約数和(自身を含む): 1012101120

約数和(自身を除く): 152928799

約数列:

[1, 7, 49, 79, 553, 3871, 221951, 1553657, 10875599, 17534129, 122738903, 859172321]

約数ペア:

[(1, 859172321), (7, 122738903), (49, 17534129), (79, 10875599), (553, 1553657), (3871, 221951)]