639453816

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{467437}}^1$

素因数の和:467468

約数の個数: 48

約数和(自身を含む): 1823008200

約数和(自身を除く): 1183554384

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, 467437, 934874, 1402311, 1869748, 2804622, 3739496, 4206933, 5609244, 8413866, 8881303, 11218488, 16827732, 17762606, 26643909, 33655464, 35525212, 53287818, 71050424, 79931727, 106575636, 159863454, 213151272, 319726908, 639453816]

約数ペア:

[(1, 639453816), (2, 319726908), (3, 213151272), (4, 159863454), (6, 106575636), (8, 79931727), (9, 71050424), (12, 53287818), (18, 35525212), (19, 33655464), (24, 26643909), (36, 17762606), (38, 16827732), (57, 11218488), (72, 8881303), (76, 8413866), (114, 5609244), (152, 4206933), (171, 3739496), (228, 2804622), (342, 1869748), (456, 1402311), (684, 934874), (1368, 467437)]