84377972

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 174386688

約数和(自身を除く): 90008716

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 97, 188, 194, 329, 388, 658, 661, 679, 1316, 1322, 1358, 2644, 2716, 4559, 4627, 9118, 9254, 18236, 18508, 31067, 31913, 62134, 63826, 64117, 124268, 127652, 128234, 217469, 256468, 434938, 448819, 869876, 897638, 1795276, 3013499, 6026998, 12053996, 21094493, 42188986, 84377972]

約数ペア:

[(1, 84377972), (2, 42188986), (4, 21094493), (7, 12053996), (14, 6026998), (28, 3013499), (47, 1795276), (94, 897638), (97, 869876), (188, 448819), (194, 434938), (329, 256468), (388, 217469), (658, 128234), (661, 127652), (679, 124268), (1316, 64117), (1322, 63826), (1358, 62134), (2644, 31913), (2716, 31067), (4559, 18508), (4627, 18236), (9118, 9254)]