28978578

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{18089}}^1$

素因数の和:18186

約数の個数: 24

約数和(自身を含む): 63495900

約数和(自身を除く): 34517322

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 18089, 36178, 54267, 108534, 162801, 325602, 1609921, 3219842, 4829763, 9659526, 14489289, 28978578]

約数ペア:

[(1, 28978578), (2, 14489289), (3, 9659526), (6, 4829763), (9, 3219842), (18, 1609921), (89, 325602), (178, 162801), (267, 108534), (534, 54267), (801, 36178), (1602, 18089)]