259189424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1246103}}^1$

素因数の和:1246124

約数の個数: 20

約数和(自身を含む): 540809136

約数和(自身を除く): 281619712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1246103, 2492206, 4984412, 9968824, 16199339, 19937648, 32398678, 64797356, 129594712, 259189424]

約数ペア:

[(1, 259189424), (2, 129594712), (4, 64797356), (8, 32398678), (13, 19937648), (16, 16199339), (26, 9968824), (52, 4984412), (104, 2492206), (208, 1246103)]