8003988

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2053

約数の個数: 48

約数和(自身を含む): 21322560

約数和(自身を除く): 13318572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 2003, 3996, 4006, 6009, 8012, 12018, 18027, 24036, 36054, 54081, 72108, 74111, 108162, 148222, 216324, 222333, 296444, 444666, 666999, 889332, 1333998, 2000997, 2667996, 4001994, 8003988]

約数ペア:

[(1, 8003988), (2, 4001994), (3, 2667996), (4, 2000997), (6, 1333998), (9, 889332), (12, 666999), (18, 444666), (27, 296444), (36, 222333), (37, 216324), (54, 148222), (74, 108162), (108, 74111), (111, 72108), (148, 54081), (222, 36054), (333, 24036), (444, 18027), (666, 12018), (999, 8012), (1332, 6009), (1998, 4006), (2003, 3996)]