1971301912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{1259}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 4061988000

約数和(自身を除く): 2090686088

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 397, 493, 794, 986, 1259, 1588, 1972, 2518, 3176, 3944, 5036, 6749, 10072, 11513, 13498, 21403, 23026, 26996, 36511, 42806, 46052, 53992, 73022, 85612, 92104, 146044, 171224, 195721, 292088, 391442, 499823, 620687, 782884, 999646, 1241374, 1565768, 1999292, 2482748, 3998584, 4965496, 8496991, 14494867, 16993982, 28989734, 33987964, 57979468, 67975928, 115958936, 246412739, 492825478, 985650956, 1971301912]

約数ペア:

[(1, 1971301912), (2, 985650956), (4, 492825478), (8, 246412739), (17, 115958936), (29, 67975928), (34, 57979468), (58, 33987964), (68, 28989734), (116, 16993982), (136, 14494867), (232, 8496991), (397, 4965496), (493, 3998584), (794, 2482748), (986, 1999292), (1259, 1565768), (1588, 1241374), (1972, 999646), (2518, 782884), (3176, 620687), (3944, 499823), (5036, 391442), (6749, 292088), (10072, 195721), (11513, 171224), (13498, 146044), (21403, 92104), (23026, 85612), (26996, 73022), (36511, 53992), (42806, 46052)]