80722868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 161219520

約数和(自身を除く): 80496652

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 646, 731, 817, 1292, 1453, 1462, 1634, 2906, 2924, 3268, 5812, 13889, 24701, 27607, 27778, 49402, 55214, 55556, 62479, 98804, 110428, 124958, 249916, 469319, 938638, 1062143, 1187101, 1877276, 2124286, 2374202, 4248572, 4748404, 20180717, 40361434, 80722868]

約数ペア:

[(1, 80722868), (2, 40361434), (4, 20180717), (17, 4748404), (19, 4248572), (34, 2374202), (38, 2124286), (43, 1877276), (68, 1187101), (76, 1062143), (86, 938638), (172, 469319), (323, 249916), (646, 124958), (731, 110428), (817, 98804), (1292, 62479), (1453, 55556), (1462, 55214), (1634, 49402), (2906, 27778), (2924, 27607), (3268, 24701), (5812, 13889)]