123859216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8387}}^1$

素因数の和:8479

約数の個数: 40

約数和(自身を含む): 262108224

約数和(自身を除く): 138249008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 8387, 14768, 16774, 33548, 67096, 109031, 134192, 218062, 436124, 595477, 872248, 1190954, 1744496, 2381908, 4763816, 7741201, 9527632, 15482402, 30964804, 61929608, 123859216]

約数ペア:

[(1, 123859216), (2, 61929608), (4, 30964804), (8, 15482402), (13, 9527632), (16, 7741201), (26, 4763816), (52, 2381908), (71, 1744496), (104, 1190954), (142, 872248), (208, 595477), (284, 436124), (568, 218062), (923, 134192), (1136, 109031), (1846, 67096), (3692, 33548), (7384, 16774), (8387, 14768)]