81581522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 146562048

約数和(自身を除く): 64980526

約数列:

[1, 2, 11, 22, 31, 37, 53, 61, 62, 74, 106, 122, 341, 407, 583, 671, 682, 814, 1147, 1166, 1342, 1643, 1891, 1961, 2257, 2294, 3233, 3286, 3782, 3922, 4514, 6466, 12617, 18073, 20801, 21571, 24827, 25234, 35563, 36146, 41602, 43142, 49654, 60791, 69967, 71126, 100223, 119621, 121582, 139934, 200446, 239242, 668701, 769637, 1102453, 1315831, 1337402, 1539274, 2204906, 2631662, 3708251, 7416502, 40790761, 81581522]

約数ペア:

[(1, 81581522), (2, 40790761), (11, 7416502), (22, 3708251), (31, 2631662), (37, 2204906), (53, 1539274), (61, 1337402), (62, 1315831), (74, 1102453), (106, 769637), (122, 668701), (341, 239242), (407, 200446), (583, 139934), (671, 121582), (682, 119621), (814, 100223), (1147, 71126), (1166, 69967), (1342, 60791), (1643, 49654), (1891, 43142), (1961, 41602), (2257, 36146), (2294, 35563), (3233, 25234), (3286, 24827), (3782, 21571), (3922, 20801), (4514, 18073), (6466, 12617)]