13121364

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 18812076

約数列:

[1, 2, 3, 4, 6, 12, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 431, 516, 708, 862, 1293, 1724, 2537, 2586, 5074, 5172, 7611, 10148, 15222, 18533, 25429, 30444, 37066, 50858, 55599, 74132, 76287, 101716, 111198, 152574, 222396, 305148, 1093447, 2186894, 3280341, 4373788, 6560682, 13121364]

約数ペア:

[(1, 13121364), (2, 6560682), (3, 4373788), (4, 3280341), (6, 2186894), (12, 1093447), (43, 305148), (59, 222396), (86, 152574), (118, 111198), (129, 101716), (172, 76287), (177, 74132), (236, 55599), (258, 50858), (354, 37066), (431, 30444), (516, 25429), (708, 18533), (862, 15222), (1293, 10148), (1724, 7611), (2537, 5172), (2586, 5074)]