28337244

素因数分解:

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

素因数の和:279

約数の個数: 72

約数和(自身を含む): 72863280

約数和(自身を除く): 44526036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 157, 169, 178, 267, 314, 338, 356, 471, 507, 534, 628, 676, 942, 1014, 1068, 1157, 1884, 2028, 2041, 2314, 3471, 4082, 4628, 6123, 6942, 8164, 12246, 13884, 13973, 15041, 24492, 26533, 27946, 30082, 41919, 45123, 53066, 55892, 60164, 79599, 83838, 90246, 106132, 159198, 167676, 180492, 181649, 318396, 363298, 544947, 726596, 1089894, 2179788, 2361437, 4722874, 7084311, 9445748, 14168622, 28337244]

約数ペア:

[(1, 28337244), (2, 14168622), (3, 9445748), (4, 7084311), (6, 4722874), (12, 2361437), (13, 2179788), (26, 1089894), (39, 726596), (52, 544947), (78, 363298), (89, 318396), (156, 181649), (157, 180492), (169, 167676), (178, 159198), (267, 106132), (314, 90246), (338, 83838), (356, 79599), (471, 60164), (507, 55892), (534, 53066), (628, 45123), (676, 41919), (942, 30082), (1014, 27946), (1068, 26533), (1157, 24492), (1884, 15041), (2028, 13973), (2041, 13884), (2314, 12246), (3471, 8164), (4082, 6942), (4628, 6123)]