256543286025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1307}}^1\times {\mathrm{5441}}^1$

素因数の和:6811

約数の個数: 96

約数和(自身を含む): 469569195648

約数和(自身を除く): 213025909623

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1307, 1443, 2405, 2775, 3921, 5441, 6535, 7215, 12025, 16323, 16991, 19605, 27205, 32675, 36075, 48359, 50973, 70733, 81615, 84955, 98025, 136025, 145077, 201317, 212199, 241795, 254865, 353665, 408075, 424775, 603951, 628667, 725385, 1006585, 1060995, 1208975, 1274325, 1768325, 1886001, 2617121, 3019755, 3143335, 3626925, 5032925, 5304975, 7111387, 7851363, 9430005, 13085605, 15098775, 15716675, 21334161, 35556935, 39256815, 47150025, 65428025, 92448031, 106670805, 177784675, 196284075, 263121319, 277344093, 462240155, 533354025, 789363957, 1315606595, 1386720465, 2311200775, 3420577147, 3946819785, 6578032975, 6933602325, 10261731441, 17102885735, 19734098925, 51308657205, 85514428675, 256543286025]

約数ペア:

[(1, 256543286025), (3, 85514428675), (5, 51308657205), (13, 19734098925), (15, 17102885735), (25, 10261731441), (37, 6933602325), (39, 6578032975), (65, 3946819785), (75, 3420577147), (111, 2311200775), (185, 1386720465), (195, 1315606595), (325, 789363957), (481, 533354025), (555, 462240155), (925, 277344093), (975, 263121319), (1307, 196284075), (1443, 177784675), (2405, 106670805), (2775, 92448031), (3921, 65428025), (5441, 47150025), (6535, 39256815), (7215, 35556935), (12025, 21334161), (16323, 15716675), (16991, 15098775), (19605, 13085605), (27205, 9430005), (32675, 7851363), (36075, 7111387), (48359, 5304975), (50973, 5032925), (70733, 3626925), (81615, 3143335), (84955, 3019755), (98025, 2617121), (136025, 1886001), (145077, 1768325), (201317, 1274325), (212199, 1208975), (241795, 1060995), (254865, 1006585), (353665, 725385), (408075, 628667), (424775, 603951)]