51420215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133559}}^1$

素因数の和:133582

約数の個数: 16

約数和(自身を含む): 76930560

約数和(自身を除く): 25510345

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 133559, 667795, 934913, 1469149, 4674565, 7345745, 10284043, 51420215]

約数ペア:

[(1, 51420215), (5, 10284043), (7, 7345745), (11, 4674565), (35, 1469149), (55, 934913), (77, 667795), (385, 133559)]