28988874

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{7561}}^1$

素因数の和:7643

約数の個数: 32

約数和(自身を含む): 65335680

約数和(自身を除く): 36346806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 7561, 15122, 22683, 45366, 68049, 136098, 204147, 408294, 536831, 1073662, 1610493, 3220986, 4831479, 9662958, 14494437, 28988874]

約数ペア:

[(1, 28988874), (2, 14494437), (3, 9662958), (6, 4831479), (9, 3220986), (18, 1610493), (27, 1073662), (54, 536831), (71, 408294), (142, 204147), (213, 136098), (426, 68049), (639, 45366), (1278, 22683), (1917, 15122), (3834, 7561)]