81901864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{1223}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 167883840

約数和(自身を除く): 85981976

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 761, 1223, 1522, 2446, 3044, 4892, 6088, 8371, 9784, 13453, 16742, 26906, 33484, 53812, 66968, 107624, 930703, 1861406, 3722812, 7445624, 10237733, 20475466, 40950932, 81901864]

約数ペア:

[(1, 81901864), (2, 40950932), (4, 20475466), (8, 10237733), (11, 7445624), (22, 3722812), (44, 1861406), (88, 930703), (761, 107624), (1223, 66968), (1522, 53812), (2446, 33484), (3044, 26906), (4892, 16742), (6088, 13453), (8371, 9784)]