289315148

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{1987}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 513500400

約数和(自身を除く): 224185252

約数列:

[1, 2, 4, 89, 178, 356, 409, 818, 1636, 1987, 3974, 7948, 36401, 72802, 145604, 176843, 353686, 707372, 812683, 1625366, 3250732, 72328787, 144657574, 289315148]

約数ペア:

[(1, 289315148), (2, 144657574), (4, 72328787), (89, 3250732), (178, 1625366), (356, 812683), (409, 707372), (818, 353686), (1636, 176843), (1987, 145604), (3974, 72802), (7948, 36401)]