78042419

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 99864576

約数和(自身を除く): 21822157

約数列:

[1, 7, 13, 47, 71, 91, 257, 329, 497, 611, 923, 1799, 3337, 3341, 4277, 6461, 12079, 18247, 23359, 23387, 43381, 84553, 127729, 157027, 237211, 303667, 857609, 1099189, 1660477, 6003263, 11148917, 78042419]

約数ペア:

[(1, 78042419), (7, 11148917), (13, 6003263), (47, 1660477), (71, 1099189), (91, 857609), (257, 303667), (329, 237211), (497, 157027), (611, 127729), (923, 84553), (1799, 43381), (3337, 23387), (3341, 23359), (4277, 18247), (6461, 12079)]