397302386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{15901}}^1$

素因数の和:15978

約数の個数: 24

約数和(自身を含む): 663208812

約数和(自身を除く): 265906426

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 961, 1922, 12493, 15901, 24986, 31802, 206713, 413426, 492931, 985862, 6408103, 12816206, 15280861, 30561722, 198651193, 397302386]

約数ペア:

[(1, 397302386), (2, 198651193), (13, 30561722), (26, 15280861), (31, 12816206), (62, 6408103), (403, 985862), (806, 492931), (961, 413426), (1922, 206713), (12493, 31802), (15901, 24986)]