247756715

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 317416320

約数和(自身を除く): 69659605

約数列:

[1, 5, 29, 53, 103, 145, 265, 313, 515, 1537, 1565, 2987, 5459, 7685, 9077, 14935, 16589, 27295, 32239, 45385, 82945, 158311, 161195, 481081, 791555, 934931, 1708667, 2405405, 4674655, 8543335, 49551343, 247756715]

約数ペア:

[(1, 247756715), (5, 49551343), (29, 8543335), (53, 4674655), (103, 2405405), (145, 1708667), (265, 934931), (313, 791555), (515, 481081), (1537, 161195), (1565, 158311), (2987, 82945), (5459, 45385), (7685, 32239), (9077, 27295), (14935, 16589)]