81435536

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55931}}^1$

素因数の和:55959

約数の個数: 40

約数和(自身を含む): 194195904

約数和(自身を除く): 112760368

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55931, 111862, 223724, 391517, 447448, 727103, 783034, 894896, 1454206, 1566068, 2908412, 3132136, 5089721, 5816824, 6264272, 10179442, 11633648, 20358884, 40717768, 81435536]

約数ペア:

[(1, 81435536), (2, 40717768), (4, 20358884), (7, 11633648), (8, 10179442), (13, 6264272), (14, 5816824), (16, 5089721), (26, 3132136), (28, 2908412), (52, 1566068), (56, 1454206), (91, 894896), (104, 783034), (112, 727103), (182, 447448), (208, 391517), (364, 223724), (728, 111862), (1456, 55931)]