81111992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 170644320

約数和(自身を除く): 89532328

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 107, 148, 197, 214, 296, 394, 428, 481, 788, 856, 962, 1391, 1576, 1924, 2561, 2782, 3848, 3959, 5122, 5564, 7289, 7918, 10244, 11128, 14578, 15836, 20488, 21079, 29156, 31672, 42158, 51467, 58312, 84316, 94757, 102934, 168632, 189514, 205868, 274027, 379028, 411736, 548054, 758056, 779923, 1096108, 1559846, 2192216, 3119692, 6239384, 10138999, 20277998, 40555996, 81111992]

約数ペア:

[(1, 81111992), (2, 40555996), (4, 20277998), (8, 10138999), (13, 6239384), (26, 3119692), (37, 2192216), (52, 1559846), (74, 1096108), (104, 779923), (107, 758056), (148, 548054), (197, 411736), (214, 379028), (296, 274027), (394, 205868), (428, 189514), (481, 168632), (788, 102934), (856, 94757), (962, 84316), (1391, 58312), (1576, 51467), (1924, 42158), (2561, 31672), (2782, 29156), (3848, 21079), (3959, 20488), (5122, 15836), (5564, 14578), (7289, 11128), (7918, 10244)]