68045978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 140555520

約数和(自身を除く): 72509542

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 41, 77, 82, 91, 143, 154, 182, 286, 287, 451, 533, 574, 829, 902, 1001, 1066, 1658, 2002, 3157, 3731, 5803, 5863, 6314, 7462, 9119, 10777, 11606, 11726, 18238, 21554, 33989, 41041, 63833, 67978, 75439, 82082, 118547, 127666, 150878, 237094, 237923, 373879, 441857, 475846, 747758, 829829, 883714, 1659658, 2617153, 3092999, 4860427, 5234306, 6185998, 9720854, 34022989, 68045978]

約数ペア:

[(1, 68045978), (2, 34022989), (7, 9720854), (11, 6185998), (13, 5234306), (14, 4860427), (22, 3092999), (26, 2617153), (41, 1659658), (77, 883714), (82, 829829), (91, 747758), (143, 475846), (154, 441857), (182, 373879), (286, 237923), (287, 237094), (451, 150878), (533, 127666), (574, 118547), (829, 82082), (902, 75439), (1001, 67978), (1066, 63833), (1658, 41041), (2002, 33989), (3157, 21554), (3731, 18238), (5803, 11726), (5863, 11606), (6314, 10777), (7462, 9119)]