81045412

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3153

約数の個数: 48

約数和(自身を含む): 174160000

約数和(自身を除く): 93114588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1372, 1862, 3109, 3724, 6218, 6517, 12436, 13034, 21763, 26068, 43526, 59071, 87052, 118142, 152341, 236284, 304682, 413497, 609364, 826994, 1066387, 1653988, 2132774, 2894479, 4265548, 5788958, 11577916, 20261353, 40522706, 81045412]

約数ペア:

[(1, 81045412), (2, 40522706), (4, 20261353), (7, 11577916), (14, 5788958), (19, 4265548), (28, 2894479), (38, 2132774), (49, 1653988), (76, 1066387), (98, 826994), (133, 609364), (196, 413497), (266, 304682), (343, 236284), (532, 152341), (686, 118142), (931, 87052), (1372, 59071), (1862, 43526), (3109, 26068), (3724, 21763), (6218, 13034), (6517, 12436)]