1289672215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{45403}}^1$

素因数の和:45463

約数の個数: 32

約数和(自身を含む): 1830689280

約数和(自身を除く): 541017065

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 1235, 1495, 2185, 5681, 28405, 45403, 227015, 590239, 862657, 1044269, 2951195, 4313285, 5221345, 11214541, 13575497, 19841111, 56072705, 67877485, 99205555, 257934443, 1289672215]

約数ペア:

[(1, 1289672215), (5, 257934443), (13, 99205555), (19, 67877485), (23, 56072705), (65, 19841111), (95, 13575497), (115, 11214541), (247, 5221345), (299, 4313285), (437, 2951195), (1235, 1044269), (1495, 862657), (2185, 590239), (5681, 227015), (28405, 45403)]