208994724

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{17539}}^1$

素因数の和:17880

約数の個数: 36

約数和(自身を含む): 529918480

約数和(自身を除く): 320923756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1986, 2979, 3972, 5958, 11916, 17539, 35078, 52617, 70156, 105234, 157851, 210468, 315702, 631404, 5805409, 11610818, 17416227, 23221636, 34832454, 52248681, 69664908, 104497362, 208994724]

約数ペア:

[(1, 208994724), (2, 104497362), (3, 69664908), (4, 52248681), (6, 34832454), (9, 23221636), (12, 17416227), (18, 11610818), (36, 5805409), (331, 631404), (662, 315702), (993, 210468), (1324, 157851), (1986, 105234), (2979, 70156), (3972, 52617), (5958, 35078), (11916, 17539)]