12728551486

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1\times {\mathrm{20707}}^1$

素因数の和:20845

約数の個数: 48

約数和(自身を含む): 23086272384

約数和(自身を除く): 10357720898

約数列:

[1, 2, 7, 14, 23, 46, 83, 161, 166, 322, 529, 581, 1058, 1162, 1909, 3703, 3818, 7406, 13363, 20707, 26726, 41414, 43907, 87814, 144949, 289898, 307349, 476261, 614698, 952522, 1718681, 3333827, 3437362, 6667654, 10954003, 12030767, 21908006, 24061534, 39529663, 76678021, 79059326, 153356042, 276707641, 553415282, 909182249, 1818364498, 6364275743, 12728551486]

約数ペア:

[(1, 12728551486), (2, 6364275743), (7, 1818364498), (14, 909182249), (23, 553415282), (46, 276707641), (83, 153356042), (161, 79059326), (166, 76678021), (322, 39529663), (529, 24061534), (581, 21908006), (1058, 12030767), (1162, 10954003), (1909, 6667654), (3703, 3437362), (3818, 3333827), (7406, 1718681), (13363, 952522), (20707, 614698), (26726, 476261), (41414, 307349), (43907, 289898), (87814, 144949)]