28385578

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:778

約数の個数: 24

約数和(自身を含む): 46517868

約数和(自身を除く): 18132290

約数列:

[1, 2, 13, 26, 137, 169, 274, 338, 613, 1226, 1781, 3562, 7969, 15938, 23153, 46306, 83981, 103597, 167962, 207194, 1091753, 2183506, 14192789, 28385578]

約数ペア:

[(1, 28385578), (2, 14192789), (13, 2183506), (26, 1091753), (137, 207194), (169, 167962), (274, 103597), (338, 83981), (613, 46306), (1226, 23153), (1781, 15938), (3562, 7969)]