639202338

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{67129}}^1$

素因数の和:67183

約数の個数: 36

約数和(自身を含む): 1447792710

約数和(自身を除く): 808590372

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 529, 1058, 1587, 3174, 4761, 9522, 67129, 134258, 201387, 402774, 604161, 1208322, 1543967, 3087934, 4631901, 9263802, 13895703, 27791406, 35511241, 71022482, 106533723, 213067446, 319601169, 639202338]

約数ペア:

[(1, 639202338), (2, 319601169), (3, 213067446), (6, 106533723), (9, 71022482), (18, 35511241), (23, 27791406), (46, 13895703), (69, 9263802), (138, 4631901), (207, 3087934), (414, 1543967), (529, 1208322), (1058, 604161), (1587, 402774), (3174, 201387), (4761, 134258), (9522, 67129)]