138290257

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 169228224

約数和(自身を除く): 30937967

約数列:

[1, 7, 17, 119, 197, 289, 347, 1379, 2023, 2429, 3349, 5899, 23443, 41293, 56933, 68359, 100283, 398531, 478513, 701981, 1162103, 8134721, 19755751, 138290257]

約数ペア:

[(1, 138290257), (7, 19755751), (17, 8134721), (119, 1162103), (197, 701981), (289, 478513), (347, 398531), (1379, 100283), (2023, 68359), (2429, 56933), (3349, 41293), (5899, 23443)]