487991307

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 757693440

約数和(自身を除く): 269702133

約数列:

[1, 3, 17, 19, 41, 51, 57, 71, 123, 173, 213, 323, 519, 697, 779, 969, 1207, 1349, 2091, 2337, 2911, 2941, 3287, 3621, 4047, 7093, 8733, 8823, 9861, 12283, 13243, 21279, 22933, 36849, 39729, 49487, 55309, 55879, 68799, 120581, 134767, 148461, 165927, 167637, 208811, 233377, 361743, 404301, 503603, 626433, 700131, 940253, 1510809, 2291039, 2820759, 3967409, 6873117, 8561251, 9568457, 11902227, 25683753, 28705371, 162663769, 487991307]

約数ペア:

[(1, 487991307), (3, 162663769), (17, 28705371), (19, 25683753), (41, 11902227), (51, 9568457), (57, 8561251), (71, 6873117), (123, 3967409), (173, 2820759), (213, 2291039), (323, 1510809), (519, 940253), (697, 700131), (779, 626433), (969, 503603), (1207, 404301), (1349, 361743), (2091, 233377), (2337, 208811), (2911, 167637), (2941, 165927), (3287, 148461), (3621, 134767), (4047, 120581), (7093, 68799), (8733, 55879), (8823, 55309), (9861, 49487), (12283, 39729), (13243, 36849), (21279, 22933)]