168191716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 376451712

約数和(自身を除く): 208259996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 181, 196, 308, 362, 431, 539, 724, 862, 1078, 1267, 1724, 1991, 2156, 2534, 3017, 3982, 4741, 5068, 6034, 7964, 8869, 9482, 12068, 13937, 17738, 18964, 21119, 27874, 33187, 35476, 42238, 55748, 66374, 78011, 84476, 97559, 132748, 156022, 195118, 232309, 312044, 390236, 464618, 546077, 858121, 929236, 1092154, 1716242, 2184308, 3432484, 3822539, 6006847, 7645078, 12013694, 15290156, 24027388, 42047929, 84095858, 168191716]

約数ペア:

[(1, 168191716), (2, 84095858), (4, 42047929), (7, 24027388), (11, 15290156), (14, 12013694), (22, 7645078), (28, 6006847), (44, 3822539), (49, 3432484), (77, 2184308), (98, 1716242), (154, 1092154), (181, 929236), (196, 858121), (308, 546077), (362, 464618), (431, 390236), (539, 312044), (724, 232309), (862, 195118), (1078, 156022), (1267, 132748), (1724, 97559), (1991, 84476), (2156, 78011), (2534, 66374), (3017, 55748), (3982, 42238), (4741, 35476), (5068, 33187), (6034, 27874), (7964, 21119), (8869, 18964), (9482, 17738), (12068, 13937)]