217627428

素因数分解:

$2^2\times 3^1\times {\mathrm{89}}^1\times {\mathrm{203771}}^1$

素因数の和:203867

約数の個数: 24

約数和(自身を含む): 513505440

約数和(自身を除く): 295878012

約数列:

[1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 203771, 407542, 611313, 815084, 1222626, 2445252, 18135619, 36271238, 54406857, 72542476, 108813714, 217627428]

約数ペア:

[(1, 217627428), (2, 108813714), (3, 72542476), (4, 54406857), (6, 36271238), (12, 18135619), (89, 2445252), (178, 1222626), (267, 815084), (356, 611313), (534, 407542), (1068, 203771)]