81876208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 164560896

約数和(自身を除く): 82684688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 383, 431, 496, 766, 862, 1532, 1724, 3064, 3448, 6128, 6896, 11873, 13361, 23746, 26722, 47492, 53444, 94984, 106888, 165073, 189968, 213776, 330146, 660292, 1320584, 2641168, 5117263, 10234526, 20469052, 40938104, 81876208]

約数ペア:

[(1, 81876208), (2, 40938104), (4, 20469052), (8, 10234526), (16, 5117263), (31, 2641168), (62, 1320584), (124, 660292), (248, 330146), (383, 213776), (431, 189968), (496, 165073), (766, 106888), (862, 94984), (1532, 53444), (1724, 47492), (3064, 26722), (3448, 23746), (6128, 13361), (6896, 11873)]