81397624

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 198633600

約数和(自身を除く): 117235976

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 49, 56, 77, 86, 88, 98, 154, 172, 196, 301, 308, 344, 392, 439, 473, 539, 602, 616, 878, 946, 1078, 1204, 1756, 1892, 2107, 2156, 2408, 3073, 3311, 3512, 3784, 4214, 4312, 4829, 6146, 6622, 8428, 9658, 12292, 13244, 16856, 18877, 19316, 21511, 23177, 24584, 26488, 33803, 37754, 38632, 43022, 46354, 67606, 75508, 86044, 92708, 132139, 135212, 151016, 172088, 185416, 207647, 236621, 264278, 270424, 415294, 473242, 528556, 830588, 924973, 946484, 1057112, 1453529, 1661176, 1849946, 1892968, 2907058, 3699892, 5814116, 7399784, 10174703, 11628232, 20349406, 40698812, 81397624]

約数ペア:

[(1, 81397624), (2, 40698812), (4, 20349406), (7, 11628232), (8, 10174703), (11, 7399784), (14, 5814116), (22, 3699892), (28, 2907058), (43, 1892968), (44, 1849946), (49, 1661176), (56, 1453529), (77, 1057112), (86, 946484), (88, 924973), (98, 830588), (154, 528556), (172, 473242), (196, 415294), (301, 270424), (308, 264278), (344, 236621), (392, 207647), (439, 185416), (473, 172088), (539, 151016), (602, 135212), (616, 132139), (878, 92708), (946, 86044), (1078, 75508), (1204, 67606), (1756, 46354), (1892, 43022), (2107, 38632), (2156, 37754), (2408, 33803), (3073, 26488), (3311, 24584), (3512, 23177), (3784, 21511), (4214, 19316), (4312, 18877), (4829, 16856), (6146, 13244), (6622, 12292), (8428, 9658)]