1247931815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{26927}}^1$

素因数の和:26999

約数の個数: 32

約数和(自身を含む): 1737179136

約数和(自身を除く): 489247321

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 713, 1495, 2015, 3565, 9269, 26927, 46345, 134635, 350051, 619321, 834737, 1750255, 3096605, 4173685, 8051173, 10851581, 19198951, 40255865, 54257905, 95994755, 249586363, 1247931815]

約数ペア:

[(1, 1247931815), (5, 249586363), (13, 95994755), (23, 54257905), (31, 40255865), (65, 19198951), (115, 10851581), (155, 8051173), (299, 4173685), (403, 3096605), (713, 1750255), (1495, 834737), (2015, 619321), (3565, 350051), (9269, 134635), (26927, 46345)]