26489515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 10100885

約数列:

[1, 5, 13, 19, 65, 89, 95, 241, 247, 445, 1157, 1205, 1235, 1691, 3133, 4579, 5785, 8455, 15665, 21449, 21983, 22895, 59527, 107245, 109915, 278837, 297635, 407531, 1394185, 2037655, 5297903, 26489515]

約数ペア:

[(1, 26489515), (5, 5297903), (13, 2037655), (19, 1394185), (65, 407531), (89, 297635), (95, 278837), (241, 109915), (247, 107245), (445, 59527), (1157, 22895), (1205, 21983), (1235, 21449), (1691, 15665), (3133, 8455), (4579, 5785)]