287005756

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{2753}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 511252560

約数和(自身を除く): 224246804

約数列:

[1, 2, 4, 67, 134, 268, 389, 778, 1556, 2753, 5506, 11012, 26063, 52126, 104252, 184451, 368902, 737804, 1070917, 2141834, 4283668, 71751439, 143502878, 287005756]

約数ペア:

[(1, 287005756), (2, 143502878), (4, 71751439), (67, 4283668), (134, 2141834), (268, 1070917), (389, 737804), (778, 368902), (1556, 184451), (2753, 104252), (5506, 52126), (11012, 26063)]