81639426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 180986400

約数和(自身を除く): 99346974

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 139, 242, 278, 363, 417, 726, 809, 834, 1529, 1618, 2427, 3058, 4587, 4854, 8899, 9174, 16819, 17798, 26697, 33638, 50457, 53394, 97889, 100914, 112451, 195778, 224902, 293667, 337353, 587334, 674706, 1236961, 2473922, 3710883, 7421766, 13606571, 27213142, 40819713, 81639426]

約数ペア:

[(1, 81639426), (2, 40819713), (3, 27213142), (6, 13606571), (11, 7421766), (22, 3710883), (33, 2473922), (66, 1236961), (121, 674706), (139, 587334), (242, 337353), (278, 293667), (363, 224902), (417, 195778), (726, 112451), (809, 100914), (834, 97889), (1529, 53394), (1618, 50457), (2427, 33638), (3058, 26697), (4587, 17798), (4854, 16819), (8899, 9174)]