278709119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7573}}^1$

素因数の和:7754

約数の個数: 16

約数和(自身を含む): 318108000

約数和(自身を除く): 39398881

約数列:

[1, 13, 19, 149, 247, 1937, 2831, 7573, 36803, 98449, 143887, 1128377, 1870531, 14668901, 21439163, 278709119]

約数ペア:

[(1, 278709119), (13, 21439163), (19, 14668901), (149, 1870531), (247, 1128377), (1937, 143887), (2831, 98449), (7573, 36803)]