49880215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 80289792

約数和(自身を除く): 30409577

約数列:

[1, 5, 7, 11, 23, 35, 43, 55, 77, 115, 131, 161, 215, 253, 301, 385, 473, 655, 805, 917, 989, 1265, 1441, 1505, 1771, 2365, 3013, 3311, 4585, 4945, 5633, 6923, 7205, 8855, 10087, 10879, 15065, 16555, 21091, 28165, 33143, 34615, 39431, 50435, 54395, 61963, 76153, 105455, 129559, 165715, 197155, 232001, 309815, 380765, 433741, 647795, 906913, 1160005, 1425149, 2168705, 4534565, 7125745, 9976043, 49880215]

約数ペア:

[(1, 49880215), (5, 9976043), (7, 7125745), (11, 4534565), (23, 2168705), (35, 1425149), (43, 1160005), (55, 906913), (77, 647795), (115, 433741), (131, 380765), (161, 309815), (215, 232001), (253, 197155), (301, 165715), (385, 129559), (473, 105455), (655, 76153), (805, 61963), (917, 54395), (989, 50435), (1265, 39431), (1441, 34615), (1505, 33143), (1771, 28165), (2365, 21091), (3013, 16555), (3311, 15065), (4585, 10879), (4945, 10087), (5633, 8855), (6923, 7205)]