31389192

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2213}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 85482540

約数和(自身を除く): 54093348

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1576, 1773, 2213, 2364, 3546, 4426, 4728, 6639, 7092, 8852, 13278, 14184, 17704, 19917, 26556, 39834, 53112, 79668, 159336, 435961, 871922, 1307883, 1743844, 2615766, 3487688, 3923649, 5231532, 7847298, 10463064, 15694596, 31389192]

約数ペア:

[(1, 31389192), (2, 15694596), (3, 10463064), (4, 7847298), (6, 5231532), (8, 3923649), (9, 3487688), (12, 2615766), (18, 1743844), (24, 1307883), (36, 871922), (72, 435961), (197, 159336), (394, 79668), (591, 53112), (788, 39834), (1182, 26556), (1576, 19917), (1773, 17704), (2213, 14184), (2364, 13278), (3546, 8852), (4426, 7092), (4728, 6639)]