81657928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{3167}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 85992632

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 293, 586, 1172, 2344, 3167, 3223, 6334, 6446, 12668, 12892, 25336, 25784, 34837, 69674, 139348, 278696, 927931, 1855862, 3711724, 7423448, 10207241, 20414482, 40828964, 81657928]

約数ペア:

[(1, 81657928), (2, 40828964), (4, 20414482), (8, 10207241), (11, 7423448), (22, 3711724), (44, 1855862), (88, 927931), (293, 278696), (586, 139348), (1172, 69674), (2344, 34837), (3167, 25784), (3223, 25336), (6334, 12892), (6446, 12668)]