280054774

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1\times {\mathrm{2221}}^1$

素因数の和:3231

約数の個数: 16

約数和(自身を含む): 426997296

約数和(自身を除く): 146942522

約数列:

[1, 2, 67, 134, 941, 1882, 2221, 4442, 63047, 126094, 148807, 297614, 2089961, 4179922, 140027387, 280054774]

約数ペア:

[(1, 280054774), (2, 140027387), (67, 4179922), (134, 2089961), (941, 297614), (1882, 148807), (2221, 126094), (4442, 63047)]