81386956

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8999}}^1$

素因数の和:9046

約数の個数: 48

約数和(自身を含む): 181440000

約数和(自身を除く): 100053044

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 8999, 9044, 17998, 35996, 62993, 125986, 152983, 170981, 251972, 305966, 341962, 611932, 683924, 1070881, 1196867, 2141762, 2393734, 2906677, 4283524, 4787468, 5813354, 11626708, 20346739, 40693478, 81386956]

約数ペア:

[(1, 81386956), (2, 40693478), (4, 20346739), (7, 11626708), (14, 5813354), (17, 4787468), (19, 4283524), (28, 2906677), (34, 2393734), (38, 2141762), (68, 1196867), (76, 1070881), (119, 683924), (133, 611932), (238, 341962), (266, 305966), (323, 251972), (476, 170981), (532, 152983), (646, 125986), (1292, 62993), (2261, 35996), (4522, 17998), (8999, 9044)]