252720215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8719}}^1$

素因数の和:8783

約数の個数: 32

約数和(自身を含む): 361635840

約数和(自身を除く): 108915625

約数列:

[1, 5, 11, 17, 31, 55, 85, 155, 187, 341, 527, 935, 1705, 2635, 5797, 8719, 28985, 43595, 95909, 148223, 270289, 479545, 741115, 1351445, 1630453, 2973179, 4594913, 8152265, 14865895, 22974565, 50544043, 252720215]

約数ペア:

[(1, 252720215), (5, 50544043), (11, 22974565), (17, 14865895), (31, 8152265), (55, 4594913), (85, 2973179), (155, 1630453), (187, 1351445), (341, 741115), (527, 479545), (935, 270289), (1705, 148223), (2635, 95909), (5797, 43595), (8719, 28985)]