55419988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15907}}^1$

素因数の和:15991

約数の個数: 24

約数和(自身を含む): 106010912

約数和(自身を除く): 50590924

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 15907, 31814, 63628, 206791, 413582, 827164, 1065769, 2131538, 4263076, 13854997, 27709994, 55419988]

約数ペア:

[(1, 55419988), (2, 27709994), (4, 13854997), (13, 4263076), (26, 2131538), (52, 1065769), (67, 827164), (134, 413582), (268, 206791), (871, 63628), (1742, 31814), (3484, 15907)]