81750032

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{617}}^1$

素因数の和:665

約数の個数: 90

約数和(自身を含む): 199837098

約数和(自身を除く): 118087066

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 169, 182, 196, 208, 338, 364, 392, 617, 637, 676, 728, 784, 1183, 1234, 1274, 1352, 1456, 2366, 2468, 2548, 2704, 4319, 4732, 4936, 5096, 8021, 8281, 8638, 9464, 9872, 10192, 16042, 16562, 17276, 18928, 30233, 32084, 33124, 34552, 56147, 60466, 64168, 66248, 69104, 104273, 112294, 120932, 128336, 132496, 208546, 224588, 241864, 393029, 417092, 449176, 483728, 729911, 786058, 834184, 898352, 1459822, 1572116, 1668368, 2919644, 3144232, 5109377, 5839288, 6288464, 10218754, 11678576, 20437508, 40875016, 81750032]

約数ペア:

[(1, 81750032), (2, 40875016), (4, 20437508), (7, 11678576), (8, 10218754), (13, 6288464), (14, 5839288), (16, 5109377), (26, 3144232), (28, 2919644), (49, 1668368), (52, 1572116), (56, 1459822), (91, 898352), (98, 834184), (104, 786058), (112, 729911), (169, 483728), (182, 449176), (196, 417092), (208, 393029), (338, 241864), (364, 224588), (392, 208546), (617, 132496), (637, 128336), (676, 120932), (728, 112294), (784, 104273), (1183, 69104), (1234, 66248), (1274, 64168), (1352, 60466), (1456, 56147), (2366, 34552), (2468, 33124), (2548, 32084), (2704, 30233), (4319, 18928), (4732, 17276), (4936, 16562), (5096, 16042), (8021, 10192), (8281, 9872), (8638, 9464)]