28691286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4133}}^1$

素因数の和:4240

約数の個数: 32

約数和(自身を含む): 62506080

約数和(自身を除く): 33814794

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 3471, 4133, 6942, 8266, 12399, 24798, 53729, 107458, 161187, 322374, 367837, 735674, 1103511, 2207022, 4781881, 9563762, 14345643, 28691286]

約数ペア:

[(1, 28691286), (2, 14345643), (3, 9563762), (6, 4781881), (13, 2207022), (26, 1103511), (39, 735674), (78, 367837), (89, 322374), (178, 161187), (267, 107458), (534, 53729), (1157, 24798), (2314, 12399), (3471, 8266), (4133, 6942)]