398227842

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{1559}}^1$

素因数の和:2207

約数の個数: 48

約数和(自身を含む): 902378880

約数和(自身を除く): 504151038

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 617, 1234, 1559, 1851, 3118, 3702, 4677, 5553, 9354, 11106, 14031, 14191, 28062, 28382, 35857, 42573, 71714, 85146, 107571, 127719, 215142, 255438, 322713, 645426, 961903, 1923806, 2885709, 5771418, 8657127, 17314254, 22123769, 44247538, 66371307, 132742614, 199113921, 398227842]

約数ペア:

[(1, 398227842), (2, 199113921), (3, 132742614), (6, 66371307), (9, 44247538), (18, 22123769), (23, 17314254), (46, 8657127), (69, 5771418), (138, 2885709), (207, 1923806), (414, 961903), (617, 645426), (1234, 322713), (1559, 255438), (1851, 215142), (3118, 127719), (3702, 107571), (4677, 85146), (5553, 71714), (9354, 42573), (11106, 35857), (14031, 28382), (14191, 28062)]