8128988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 17056704

約数和(自身を除く): 8927716

約数列:

[1, 2, 4, 7, 14, 28, 41, 73, 82, 97, 146, 164, 194, 287, 292, 388, 511, 574, 679, 1022, 1148, 1358, 2044, 2716, 2993, 3977, 5986, 7081, 7954, 11972, 14162, 15908, 20951, 27839, 28324, 41902, 49567, 55678, 83804, 99134, 111356, 198268, 290321, 580642, 1161284, 2032247, 4064494, 8128988]

約数ペア:

[(1, 8128988), (2, 4064494), (4, 2032247), (7, 1161284), (14, 580642), (28, 290321), (41, 198268), (73, 111356), (82, 99134), (97, 83804), (146, 55678), (164, 49567), (194, 41902), (287, 28324), (292, 27839), (388, 20951), (511, 15908), (574, 14162), (679, 11972), (1022, 7954), (1148, 7081), (1358, 5986), (2044, 3977), (2716, 2993)]