397345778

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{28789}}^1$

素因数の和:28961

約数の個数: 16

約数和(自身を含む): 610808640

約数和(自身を除く): 213462862

約数列:

[1, 2, 67, 103, 134, 206, 6901, 13802, 28789, 57578, 1928863, 2965267, 3857726, 5930534, 198672889, 397345778]

約数ペア:

[(1, 397345778), (2, 198672889), (67, 5930534), (103, 3857726), (134, 2965267), (206, 1928863), (6901, 57578), (13802, 28789)]