998718

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 2407680

約数和(自身を除く): 1408962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 79, 86, 98, 129, 147, 158, 237, 258, 294, 301, 474, 553, 602, 903, 1106, 1659, 1806, 2107, 3318, 3397, 3871, 4214, 6321, 6794, 7742, 10191, 11613, 12642, 20382, 23226, 23779, 47558, 71337, 142674, 166453, 332906, 499359, 998718]

約数ペア:

[(1, 998718), (2, 499359), (3, 332906), (6, 166453), (7, 142674), (14, 71337), (21, 47558), (42, 23779), (43, 23226), (49, 20382), (79, 12642), (86, 11613), (98, 10191), (129, 7742), (147, 6794), (158, 6321), (237, 4214), (258, 3871), (294, 3397), (301, 3318), (474, 2107), (553, 1806), (602, 1659), (903, 1106)]