82904185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 129991680

約数和(自身を除く): 47087495

約数列:

[1, 5, 7, 13, 29, 35, 61, 65, 91, 103, 145, 203, 305, 377, 427, 455, 515, 721, 793, 1015, 1339, 1769, 1885, 2135, 2639, 2987, 3605, 3965, 5551, 6283, 6695, 8845, 9373, 12383, 13195, 14935, 20909, 22997, 27755, 31415, 38831, 43981, 46865, 61915, 81679, 104545, 114985, 160979, 182207, 194155, 219905, 271817, 408395, 571753, 804895, 911035, 1275449, 1359085, 2368691, 2858765, 6377245, 11843455, 16580837, 82904185]

約数ペア:

[(1, 82904185), (5, 16580837), (7, 11843455), (13, 6377245), (29, 2858765), (35, 2368691), (61, 1359085), (65, 1275449), (91, 911035), (103, 804895), (145, 571753), (203, 408395), (305, 271817), (377, 219905), (427, 194155), (455, 182207), (515, 160979), (721, 114985), (793, 104545), (1015, 81679), (1339, 61915), (1769, 46865), (1885, 43981), (2135, 38831), (2639, 31415), (2987, 27755), (3605, 22997), (3965, 20909), (5551, 14935), (6283, 13195), (6695, 12383), (8845, 9373)]