64039408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{235439}}^1$

素因数の和:235464

約数の個数: 20

約数和(自身を含む): 131375520

約数和(自身を除く): 67336112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 235439, 470878, 941756, 1883512, 3767024, 4002463, 8004926, 16009852, 32019704, 64039408]

約数ペア:

[(1, 64039408), (2, 32019704), (4, 16009852), (8, 8004926), (16, 4002463), (17, 3767024), (34, 1883512), (68, 941756), (136, 470878), (272, 235439)]