81356172

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157667}}^1$

素因数の和:157717

約数の個数: 24

約数和(自身を含む): 194246976

約数和(自身を除く): 112890804

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 157667, 315334, 473001, 630668, 946002, 1892004, 6779681, 13559362, 20339043, 27118724, 40678086, 81356172]

約数ペア:

[(1, 81356172), (2, 40678086), (3, 27118724), (4, 20339043), (6, 13559362), (12, 6779681), (43, 1892004), (86, 946002), (129, 630668), (172, 473001), (258, 315334), (516, 157667)]