278152861

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{1471}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 344342016

約数和(自身を除く): 66189155

約数列:

[1, 7, 17, 49, 119, 227, 833, 1471, 1589, 3859, 10297, 11123, 25007, 27013, 72079, 175049, 189091, 333917, 1225343, 2337419, 5676589, 16361933, 39736123, 278152861]

約数ペア:

[(1, 278152861), (7, 39736123), (17, 16361933), (49, 5676589), (119, 2337419), (227, 1225343), (833, 333917), (1471, 189091), (1589, 175049), (3859, 72079), (10297, 27013), (11123, 25007)]