25286397

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 36940800

約数和(自身を除く): 11654403

約数列:

[1, 3, 19, 57, 59, 73, 103, 177, 219, 309, 1121, 1387, 1957, 3363, 4161, 4307, 5871, 6077, 7519, 12921, 18231, 22557, 81833, 115463, 142861, 245499, 346389, 428583, 443621, 1330863, 8428799, 25286397]

約数ペア:

[(1, 25286397), (3, 8428799), (19, 1330863), (57, 443621), (59, 428583), (73, 346389), (103, 245499), (177, 142861), (219, 115463), (309, 81833), (1121, 22557), (1387, 18231), (1957, 12921), (3363, 7519), (4161, 6077), (4307, 5871)]