28712264

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1549}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 61752000

約数和(自身を除く): 33039736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1324, 1549, 2317, 2648, 3098, 4634, 6196, 9268, 10843, 12392, 18536, 21686, 43372, 86744, 512719, 1025438, 2050876, 3589033, 4101752, 7178066, 14356132, 28712264]

約数ペア:

[(1, 28712264), (2, 14356132), (4, 7178066), (7, 4101752), (8, 3589033), (14, 2050876), (28, 1025438), (56, 512719), (331, 86744), (662, 43372), (1324, 21686), (1549, 18536), (2317, 12392), (2648, 10843), (3098, 9268), (4634, 6196)]