81273412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1451}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 165876480

約数和(自身を除く): 84603068

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 67, 76, 134, 209, 268, 418, 737, 836, 1273, 1451, 1474, 2546, 2902, 2948, 5092, 5804, 14003, 15961, 27569, 28006, 31922, 55138, 56012, 63844, 97217, 110276, 194434, 303259, 388868, 606518, 1069387, 1213036, 1847123, 2138774, 3694246, 4277548, 7388492, 20318353, 40636706, 81273412]

約数ペア:

[(1, 81273412), (2, 40636706), (4, 20318353), (11, 7388492), (19, 4277548), (22, 3694246), (38, 2138774), (44, 1847123), (67, 1213036), (76, 1069387), (134, 606518), (209, 388868), (268, 303259), (418, 194434), (737, 110276), (836, 97217), (1273, 63844), (1451, 56012), (1474, 55138), (2546, 31922), (2902, 28006), (2948, 27569), (5092, 15961), (5804, 14003)]