258707972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{19919}}^1$

素因数の和:20131

約数の個数: 24

約数和(自身を含む): 481904640

約数和(自身を除く): 223196668

約数列:

[1, 2, 4, 17, 34, 68, 191, 382, 764, 3247, 6494, 12988, 19919, 39838, 79676, 338623, 677246, 1354492, 3804529, 7609058, 15218116, 64676993, 129353986, 258707972]

約数ペア:

[(1, 258707972), (2, 129353986), (4, 64676993), (17, 15218116), (34, 7609058), (68, 3804529), (191, 1354492), (382, 677246), (764, 338623), (3247, 79676), (6494, 39838), (12988, 19919)]