12998988

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{3253}}^1$

素因数の和:3303

約数の個数: 48

約数和(自身を含む): 34622560

約数和(自身を除く): 21623572

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, 3253, 3996, 6506, 9759, 13012, 19518, 29277, 39036, 58554, 87831, 117108, 120361, 175662, 240722, 351324, 361083, 481444, 722166, 1083249, 1444332, 2166498, 3249747, 4332996, 6499494, 12998988]

約数ペア:

[(1, 12998988), (2, 6499494), (3, 4332996), (4, 3249747), (6, 2166498), (9, 1444332), (12, 1083249), (18, 722166), (27, 481444), (36, 361083), (37, 351324), (54, 240722), (74, 175662), (108, 120361), (111, 117108), (148, 87831), (222, 58554), (333, 39036), (444, 29277), (666, 19518), (999, 13012), (1332, 9759), (1998, 6506), (3253, 3996)]