78265495

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 120706848

約数和(自身を除く): 42441353

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 113, 245, 257, 385, 539, 565, 791, 1243, 1285, 1799, 2695, 2827, 3955, 5537, 6215, 8701, 8995, 12593, 14135, 19789, 27685, 29041, 43505, 60907, 62965, 98945, 138523, 145205, 203287, 304535, 319451, 692615, 1016435, 1423009, 1597255, 2236157, 7115045, 11180785, 15653099, 78265495]

約数ペア:

[(1, 78265495), (5, 15653099), (7, 11180785), (11, 7115045), (35, 2236157), (49, 1597255), (55, 1423009), (77, 1016435), (113, 692615), (245, 319451), (257, 304535), (385, 203287), (539, 145205), (565, 138523), (791, 98945), (1243, 62965), (1285, 60907), (1799, 43505), (2695, 29041), (2827, 27685), (3955, 19789), (5537, 14135), (6215, 12593), (8701, 8995)]