81373922

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{305917}}^1$

素因数の和:305945

約数の個数: 16

約数和(自身を含む): 146840640

約数和(自身を除く): 65466718

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 305917, 611834, 2141419, 4282838, 5812423, 11624846, 40686961, 81373922]

約数ペア:

[(1, 81373922), (2, 40686961), (7, 11624846), (14, 5812423), (19, 4282838), (38, 2141419), (133, 611834), (266, 305917)]