28461290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1531}}^1$

素因数の和:1575

約数の個数: 48

約数和(自身を含む): 60556896

約数和(自身を除く): 32095606

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1531, 1690, 1859, 3062, 3718, 7655, 9295, 15310, 16841, 18590, 19903, 33682, 39806, 84205, 99515, 168410, 199030, 218933, 258739, 437866, 517478, 1094665, 1293695, 2189330, 2587390, 2846129, 5692258, 14230645, 28461290]

約数ペア:

[(1, 28461290), (2, 14230645), (5, 5692258), (10, 2846129), (11, 2587390), (13, 2189330), (22, 1293695), (26, 1094665), (55, 517478), (65, 437866), (110, 258739), (130, 218933), (143, 199030), (169, 168410), (286, 99515), (338, 84205), (715, 39806), (845, 33682), (1430, 19903), (1531, 18590), (1690, 16841), (1859, 15310), (3062, 9295), (3718, 7655)]