81780324

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{158489}}^1$

素因数の和:158539

約数の個数: 24

約数和(自身を含む): 195259680

約数和(自身を除く): 113479356

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 158489, 316978, 475467, 633956, 950934, 1901868, 6815027, 13630054, 20445081, 27260108, 40890162, 81780324]

約数ペア:

[(1, 81780324), (2, 40890162), (3, 27260108), (4, 20445081), (6, 13630054), (12, 6815027), (43, 1901868), (86, 950934), (129, 633956), (172, 475467), (258, 316978), (516, 158489)]