64574395

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 81505440

約数和(自身を除く): 16931045

約数列:

[1, 5, 31, 89, 151, 155, 445, 755, 961, 2759, 4681, 4805, 13439, 13795, 23405, 67195, 85529, 145111, 416609, 427645, 725555, 2083045, 12914879, 64574395]

約数ペア:

[(1, 64574395), (5, 12914879), (31, 2083045), (89, 725555), (151, 427645), (155, 416609), (445, 145111), (755, 85529), (961, 67195), (2759, 23405), (4681, 13795), (4805, 13439)]