29929988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7643}}^1$

素因数の和:7747

約数の個数: 24

約数和(自身を含む): 57788640

約数和(自身を除く): 27858652

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 7643, 15286, 30572, 84073, 168146, 336292, 680227, 1360454, 2720908, 7482497, 14964994, 29929988]

約数ペア:

[(1, 29929988), (2, 14964994), (4, 7482497), (11, 2720908), (22, 1360454), (44, 680227), (89, 336292), (178, 168146), (356, 84073), (979, 30572), (1958, 15286), (3916, 7643)]