82578561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 123338880

約数和(自身を除く): 40760319

約数列:

[1, 3, 13, 37, 39, 89, 111, 267, 481, 643, 1157, 1443, 1929, 3293, 3471, 8359, 9879, 23791, 25077, 42809, 57227, 71373, 128427, 171681, 309283, 743951, 927849, 2117399, 2231853, 6352197, 27526187, 82578561]

約数ペア:

[(1, 82578561), (3, 27526187), (13, 6352197), (37, 2231853), (39, 2117399), (89, 927849), (111, 743951), (267, 309283), (481, 171681), (643, 128427), (1157, 71373), (1443, 57227), (1929, 42809), (3293, 25077), (3471, 23791), (8359, 9879)]