247497796

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 540766464

約数和(自身を除く): 293268668

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 193, 271, 338, 364, 386, 542, 676, 772, 1084, 1183, 1351, 1897, 2366, 2509, 2702, 3523, 3794, 4732, 5018, 5404, 7046, 7588, 10036, 14092, 17563, 24661, 32617, 35126, 45799, 49322, 52303, 65234, 70252, 91598, 98644, 104606, 130468, 183196, 209212, 228319, 320593, 366121, 456638, 641186, 679939, 732242, 913276, 1282372, 1359878, 1464484, 2719756, 4759573, 8839207, 9519146, 17678414, 19038292, 35356828, 61874449, 123748898, 247497796]

約数ペア:

[(1, 247497796), (2, 123748898), (4, 61874449), (7, 35356828), (13, 19038292), (14, 17678414), (26, 9519146), (28, 8839207), (52, 4759573), (91, 2719756), (169, 1464484), (182, 1359878), (193, 1282372), (271, 913276), (338, 732242), (364, 679939), (386, 641186), (542, 456638), (676, 366121), (772, 320593), (1084, 228319), (1183, 209212), (1351, 183196), (1897, 130468), (2366, 104606), (2509, 98644), (2702, 91598), (3523, 70252), (3794, 65234), (4732, 52303), (5018, 49322), (5404, 45799), (7046, 35126), (7588, 32617), (10036, 24661), (14092, 17563)]