1997436

素因数分解:

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

素因数の和:143

約数の個数: 72

約数和(自身を含む): 5617920

約数和(自身を除く): 3620484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 79, 84, 86, 98, 129, 147, 158, 172, 196, 237, 258, 294, 301, 316, 474, 516, 553, 588, 602, 903, 948, 1106, 1204, 1659, 1806, 2107, 2212, 3318, 3397, 3612, 3871, 4214, 6321, 6636, 6794, 7742, 8428, 10191, 11613, 12642, 13588, 15484, 20382, 23226, 23779, 25284, 40764, 46452, 47558, 71337, 95116, 142674, 166453, 285348, 332906, 499359, 665812, 998718, 1997436]

約数ペア:

[(1, 1997436), (2, 998718), (3, 665812), (4, 499359), (6, 332906), (7, 285348), (12, 166453), (14, 142674), (21, 95116), (28, 71337), (42, 47558), (43, 46452), (49, 40764), (79, 25284), (84, 23779), (86, 23226), (98, 20382), (129, 15484), (147, 13588), (158, 12642), (172, 11613), (196, 10191), (237, 8428), (258, 7742), (294, 6794), (301, 6636), (316, 6321), (474, 4214), (516, 3871), (553, 3612), (588, 3397), (602, 3318), (903, 2212), (948, 2107), (1106, 1806), (1204, 1659)]