78528457

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12451}}^1$

素因数の和:12528

約数の個数: 16

約数和(自身を含む): 96826752

約数和(自身を除く): 18298295

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 12451, 87157, 211667, 659903, 1481669, 4619321, 11218351, 78528457]

約数ペア:

[(1, 78528457), (7, 11218351), (17, 4619321), (53, 1481669), (119, 659903), (371, 211667), (901, 87157), (6307, 12451)]