28874376

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{21107}}^1$

素因数の和:21138

約数の個数: 48

約数和(自身を含む): 82321200

約数和(自身を除く): 53446824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 21107, 42214, 63321, 84428, 126642, 168856, 189963, 253284, 379926, 401033, 506568, 759852, 802066, 1203099, 1519704, 1604132, 2406198, 3208264, 3609297, 4812396, 7218594, 9624792, 14437188, 28874376]

約数ペア:

[(1, 28874376), (2, 14437188), (3, 9624792), (4, 7218594), (6, 4812396), (8, 3609297), (9, 3208264), (12, 2406198), (18, 1604132), (19, 1519704), (24, 1203099), (36, 802066), (38, 759852), (57, 506568), (72, 401033), (76, 379926), (114, 253284), (152, 189963), (171, 168856), (228, 126642), (342, 84428), (456, 63321), (684, 42214), (1368, 21107)]