81572988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{1019}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 217969920

約数和(自身を除く): 136396932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 953, 1019, 1906, 2038, 2859, 3057, 3812, 4076, 5718, 6114, 6671, 7133, 11436, 12228, 13342, 14266, 20013, 21399, 26684, 28532, 40026, 42798, 80052, 85596, 971107, 1942214, 2913321, 3884428, 5826642, 6797749, 11653284, 13595498, 20393247, 27190996, 40786494, 81572988]

約数ペア:

[(1, 81572988), (2, 40786494), (3, 27190996), (4, 20393247), (6, 13595498), (7, 11653284), (12, 6797749), (14, 5826642), (21, 3884428), (28, 2913321), (42, 1942214), (84, 971107), (953, 85596), (1019, 80052), (1906, 42798), (2038, 40026), (2859, 28532), (3057, 26684), (3812, 21399), (4076, 20013), (5718, 14266), (6114, 13342), (6671, 12228), (7133, 11436)]