1997242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 24

約数和(自身を含む): 3425760

約数和(自身を除く): 1428518

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 311, 338, 494, 622, 3211, 4043, 5909, 6422, 8086, 11818, 52559, 76817, 105118, 153634, 998621, 1997242]

約数ペア:

[(1, 1997242), (2, 998621), (13, 153634), (19, 105118), (26, 76817), (38, 52559), (169, 11818), (247, 8086), (311, 6422), (338, 5909), (494, 4043), (622, 3211)]