919493201

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 1098854400

約数和(自身を除く): 179361199

約数列:

[1, 11, 19, 31, 139, 209, 341, 589, 1021, 1529, 2641, 4309, 6479, 11231, 19399, 29051, 31651, 47399, 81871, 141919, 213389, 348161, 601369, 900581, 1561109, 2696461, 4399489, 6615059, 29661071, 48394379, 83590291, 919493201]

約数ペア:

[(1, 919493201), (11, 83590291), (19, 48394379), (31, 29661071), (139, 6615059), (209, 4399489), (341, 2696461), (589, 1561109), (1021, 900581), (1529, 601369), (2641, 348161), (4309, 213389), (6479, 141919), (11231, 81871), (19399, 47399), (29051, 31651)]