6643988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1907}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 12714912

約数和(自身を除く): 6070924

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 1907, 3484, 3814, 7628, 24791, 49582, 99164, 127769, 255538, 511076, 1660997, 3321994, 6643988]

約数ペア:

[(1, 6643988), (2, 3321994), (4, 1660997), (13, 511076), (26, 255538), (52, 127769), (67, 99164), (134, 49582), (268, 24791), (871, 7628), (1742, 3814), (1907, 3484)]