253343915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 338688000

約数和(自身を除く): 85344085

約数列:

[1, 5, 11, 55, 79, 199, 293, 395, 869, 995, 1465, 2189, 3223, 4345, 10945, 15721, 16115, 23147, 58307, 78605, 115735, 172931, 254617, 291535, 641377, 864655, 1273085, 3206885, 4606253, 23031265, 50668783, 253343915]

約数ペア:

[(1, 253343915), (5, 50668783), (11, 23031265), (55, 4606253), (79, 3206885), (199, 1273085), (293, 864655), (395, 641377), (869, 291535), (995, 254617), (1465, 172931), (2189, 115735), (3223, 78605), (4345, 58307), (10945, 23147), (15721, 16115)]