81996984

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2221

約数の個数: 96

約数和(自身を含む): 242835840

約数和(自身を除く): 160838856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 31, 34, 36, 51, 62, 68, 72, 93, 102, 124, 136, 153, 186, 204, 248, 279, 306, 372, 408, 527, 558, 612, 744, 1054, 1116, 1224, 1581, 2108, 2161, 2232, 3162, 4216, 4322, 4743, 6324, 6483, 8644, 9486, 12648, 12966, 17288, 18972, 19449, 25932, 36737, 37944, 38898, 51864, 66991, 73474, 77796, 110211, 133982, 146948, 155592, 200973, 220422, 267964, 293896, 330633, 401946, 440844, 535928, 602919, 661266, 803892, 881688, 1138847, 1205838, 1322532, 1607784, 2277694, 2411676, 2645064, 3416541, 4555388, 4823352, 6833082, 9110776, 10249623, 13666164, 20499246, 27332328, 40998492, 81996984]

約数ペア:

[(1, 81996984), (2, 40998492), (3, 27332328), (4, 20499246), (6, 13666164), (8, 10249623), (9, 9110776), (12, 6833082), (17, 4823352), (18, 4555388), (24, 3416541), (31, 2645064), (34, 2411676), (36, 2277694), (51, 1607784), (62, 1322532), (68, 1205838), (72, 1138847), (93, 881688), (102, 803892), (124, 661266), (136, 602919), (153, 535928), (186, 440844), (204, 401946), (248, 330633), (279, 293896), (306, 267964), (372, 220422), (408, 200973), (527, 155592), (558, 146948), (612, 133982), (744, 110211), (1054, 77796), (1116, 73474), (1224, 66991), (1581, 51864), (2108, 38898), (2161, 37944), (2232, 36737), (3162, 25932), (4216, 19449), (4322, 18972), (4743, 17288), (6324, 12966), (6483, 12648), (8644, 9486)]