81395336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29837}}^1$

素因数の和:29885

約数の個数: 32

約数和(自身を含む): 171866880

約数和(自身を除く): 90471544

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 29837, 59674, 119348, 238696, 328207, 656414, 924947, 1312828, 1849894, 2625656, 3699788, 7399576, 10174417, 20348834, 40697668, 81395336]

約数ペア:

[(1, 81395336), (2, 40697668), (4, 20348834), (8, 10174417), (11, 7399576), (22, 3699788), (31, 2625656), (44, 1849894), (62, 1312828), (88, 924947), (124, 656414), (248, 328207), (341, 238696), (682, 119348), (1364, 59674), (2728, 29837)]