648622

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 24

約数和(自身を含む): 1119960

約数和(自身を除く): 471338

約数列:

[1, 2, 13, 19, 26, 38, 101, 169, 202, 247, 338, 494, 1313, 1919, 2626, 3211, 3838, 6422, 17069, 24947, 34138, 49894, 324311, 648622]

約数ペア:

[(1, 648622), (2, 324311), (13, 49894), (19, 34138), (26, 24947), (38, 17069), (101, 6422), (169, 3838), (202, 3211), (247, 2626), (338, 1919), (494, 1313)]