219697919

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2719}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 273490560

約数和(自身を除く): 53792641

約数列:

[1, 7, 17, 49, 97, 119, 679, 833, 1649, 2719, 4753, 11543, 19033, 46223, 80801, 133231, 263743, 323561, 1846201, 2264927, 4483631, 12923407, 31385417, 219697919]

約数ペア:

[(1, 219697919), (7, 31385417), (17, 12923407), (49, 4483631), (97, 2264927), (119, 1846201), (679, 323561), (833, 263743), (1649, 133231), (2719, 80801), (4753, 46223), (11543, 19033)]