201687164

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{18517}}^1$

素因数の和:18917

約数の個数: 24

約数和(自身を含む): 404433120

約数和(自身を除く): 202745956

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 10892, 18517, 37034, 74068, 129619, 259238, 518476, 7203113, 14406226, 28812452, 50421791, 100843582, 201687164]

約数ペア:

[(1, 201687164), (2, 100843582), (4, 50421791), (7, 28812452), (14, 14406226), (28, 7203113), (389, 518476), (778, 259238), (1556, 129619), (2723, 74068), (5446, 37034), (10892, 18517)]