31897642

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 58927680

約数和(自身を除く): 27030038

約数列:

[1, 2, 7, 14, 23, 46, 59, 73, 118, 146, 161, 322, 413, 511, 529, 826, 1022, 1058, 1357, 1679, 2714, 3358, 3703, 4307, 7406, 8614, 9499, 11753, 18998, 23506, 30149, 31211, 38617, 60298, 62422, 77234, 99061, 198122, 218477, 270319, 436954, 540638, 693427, 1386854, 2278403, 4556806, 15948821, 31897642]

約数ペア:

[(1, 31897642), (2, 15948821), (7, 4556806), (14, 2278403), (23, 1386854), (46, 693427), (59, 540638), (73, 436954), (118, 270319), (146, 218477), (161, 198122), (322, 99061), (413, 77234), (511, 62422), (529, 60298), (826, 38617), (1022, 31211), (1058, 30149), (1357, 23506), (1679, 18998), (2714, 11753), (3358, 9499), (3703, 8614), (4307, 7406)]