204538945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 270047232

約数和(自身を除く): 65508287

約数列:

[1, 5, 13, 65, 103, 137, 223, 515, 685, 1115, 1339, 1781, 2899, 6695, 8905, 14111, 14495, 22969, 30551, 70555, 114845, 152755, 183443, 298597, 397163, 917215, 1492985, 1985815, 3146753, 15733765, 40907789, 204538945]

約数ペア:

[(1, 204538945), (5, 40907789), (13, 15733765), (65, 3146753), (103, 1985815), (137, 1492985), (223, 917215), (515, 397163), (685, 298597), (1115, 183443), (1339, 152755), (1781, 114845), (2899, 70555), (6695, 30551), (8905, 22969), (14111, 14495)]