1213403778

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{11677}}^1$

素因数の和:11959

約数の個数: 48

約数和(自身を含む): 2754513216

約数和(自身を除く): 1541109438

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 251, 414, 502, 753, 1506, 2259, 4518, 5773, 11546, 11677, 17319, 23354, 34638, 35031, 51957, 70062, 103914, 105093, 210186, 268571, 537142, 805713, 1611426, 2417139, 2930927, 4834278, 5861854, 8792781, 17585562, 26378343, 52756686, 67411321, 134822642, 202233963, 404467926, 606701889, 1213403778]

約数ペア:

[(1, 1213403778), (2, 606701889), (3, 404467926), (6, 202233963), (9, 134822642), (18, 67411321), (23, 52756686), (46, 26378343), (69, 17585562), (138, 8792781), (207, 5861854), (251, 4834278), (414, 2930927), (502, 2417139), (753, 1611426), (1506, 805713), (2259, 537142), (4518, 268571), (5773, 210186), (11546, 105093), (11677, 103914), (17319, 70062), (23354, 51957), (34638, 35031)]