1158021215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{2903}}^1$

素因数の和:2976

約数の個数: 48

約数和(自身を含む): 1672913088

約数和(自身を除く): 514891873

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 361, 1105, 1235, 1615, 1805, 2903, 4199, 4693, 6137, 14515, 20995, 23465, 30685, 37739, 49351, 55157, 79781, 188695, 246755, 275785, 398905, 641563, 717041, 937669, 1047983, 3207815, 3585205, 4688345, 5239915, 12189697, 13623779, 17815711, 60948485, 68118895, 89078555, 231604243, 1158021215]

約数ペア:

[(1, 1158021215), (5, 231604243), (13, 89078555), (17, 68118895), (19, 60948485), (65, 17815711), (85, 13623779), (95, 12189697), (221, 5239915), (247, 4688345), (323, 3585205), (361, 3207815), (1105, 1047983), (1235, 937669), (1615, 717041), (1805, 641563), (2903, 398905), (4199, 275785), (4693, 246755), (6137, 188695), (14515, 79781), (20995, 55157), (23465, 49351), (30685, 37739)]