218275057

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31151}}^1$

素因数の和:31189

約数の個数: 24

約数和(自身を含む): 298311552

約数和(自身を除く): 80036495

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 31151, 218057, 342661, 404963, 1526399, 2398627, 2834741, 4454593, 16790389, 19843187, 31182151, 218275057]

約数ペア:

[(1, 218275057), (7, 31182151), (11, 19843187), (13, 16790389), (49, 4454593), (77, 2834741), (91, 2398627), (143, 1526399), (539, 404963), (637, 342661), (1001, 218057), (7007, 31151)]