2179788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 5574240

約数和(自身を除く): 3394452

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 157, 178, 267, 314, 356, 471, 534, 628, 942, 1068, 1157, 1884, 2041, 2314, 3471, 4082, 4628, 6123, 6942, 8164, 12246, 13884, 13973, 24492, 27946, 41919, 55892, 83838, 167676, 181649, 363298, 544947, 726596, 1089894, 2179788]

約数ペア:

[(1, 2179788), (2, 1089894), (3, 726596), (4, 544947), (6, 363298), (12, 181649), (13, 167676), (26, 83838), (39, 55892), (52, 41919), (78, 27946), (89, 24492), (156, 13973), (157, 13884), (178, 12246), (267, 8164), (314, 6942), (356, 6123), (471, 4628), (534, 4082), (628, 3471), (942, 2314), (1068, 2041), (1157, 1884)]