28421036

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 61340160

約数和(自身を除く): 32919124

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1303, 1558, 2606, 3116, 5212, 5453, 9121, 10906, 18242, 21812, 24757, 36484, 49514, 53423, 99028, 106846, 173299, 213692, 346598, 373961, 693196, 747922, 1015037, 1495844, 2030074, 4060148, 7105259, 14210518, 28421036]

約数ペア:

[(1, 28421036), (2, 14210518), (4, 7105259), (7, 4060148), (14, 2030074), (19, 1495844), (28, 1015037), (38, 747922), (41, 693196), (76, 373961), (82, 346598), (133, 213692), (164, 173299), (266, 106846), (287, 99028), (532, 53423), (574, 49514), (779, 36484), (1148, 24757), (1303, 21812), (1558, 18242), (2606, 10906), (3116, 9121), (5212, 5453)]