647937485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1249}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 876960000

約数和(自身を除く): 229022515

約数列:

[1, 5, 13, 23, 65, 115, 299, 347, 1249, 1495, 1735, 4511, 6245, 7981, 16237, 22555, 28727, 39905, 81185, 103753, 143635, 373451, 433403, 518765, 1867255, 2167015, 5634239, 9968269, 28171195, 49841345, 129587497, 647937485]

約数ペア:

[(1, 647937485), (5, 129587497), (13, 49841345), (23, 28171195), (65, 9968269), (115, 5634239), (299, 2167015), (347, 1867255), (1249, 518765), (1495, 433403), (1735, 373451), (4511, 143635), (6245, 103753), (7981, 81185), (16237, 39905), (22555, 28727)]