31243284

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{20183}}^1$

素因数の和:20236

約数の個数: 36

約数和(自身を含む): 80816736

約数和(自身を除く): 49573452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 20183, 40366, 60549, 80732, 121098, 181647, 242196, 363294, 726588, 867869, 1735738, 2603607, 3471476, 5207214, 7810821, 10414428, 15621642, 31243284]

約数ペア:

[(1, 31243284), (2, 15621642), (3, 10414428), (4, 7810821), (6, 5207214), (9, 3471476), (12, 2603607), (18, 1735738), (36, 867869), (43, 726588), (86, 363294), (129, 242196), (172, 181647), (258, 121098), (387, 80732), (516, 60549), (774, 40366), (1548, 20183)]