142972856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 307994400

約数和(自身を除く): 165021544

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 193, 221, 386, 419, 442, 772, 838, 884, 1544, 1676, 1768, 2509, 3281, 3352, 5018, 5447, 6562, 7123, 10036, 10894, 13124, 14246, 20072, 21788, 26248, 28492, 42653, 43576, 56984, 80867, 85306, 92599, 161734, 170612, 185198, 323468, 341224, 370396, 646936, 740792, 1051271, 1374739, 2102542, 2749478, 4205084, 5498956, 8410168, 10997912, 17871607, 35743214, 71486428, 142972856]

約数ペア:

[(1, 142972856), (2, 71486428), (4, 35743214), (8, 17871607), (13, 10997912), (17, 8410168), (26, 5498956), (34, 4205084), (52, 2749478), (68, 2102542), (104, 1374739), (136, 1051271), (193, 740792), (221, 646936), (386, 370396), (419, 341224), (442, 323468), (772, 185198), (838, 170612), (884, 161734), (1544, 92599), (1676, 85306), (1768, 80867), (2509, 56984), (3281, 43576), (3352, 42653), (5018, 28492), (5447, 26248), (6562, 21788), (7123, 20072), (10036, 14246), (10894, 13124)]