257788366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{13933}}^1$

素因数の和:14004

約数の個数: 24

約数和(自身を含む): 436914504

約数和(自身を除く): 179126138

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 841, 1682, 9251, 13933, 18502, 27866, 153263, 306526, 404057, 808114, 4444627, 8889254, 11717653, 23435306, 128894183, 257788366]

約数ペア:

[(1, 257788366), (2, 128894183), (11, 23435306), (22, 11717653), (29, 8889254), (58, 4444627), (319, 808114), (638, 404057), (841, 306526), (1682, 153263), (9251, 27866), (13933, 18502)]