140420816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{516253}}^1$

素因数の和:516278

約数の個数: 20

約数和(自身を含む): 288069732

約数和(自身を除く): 147648916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 516253, 1032506, 2065012, 4130024, 8260048, 8776301, 17552602, 35105204, 70210408, 140420816]

約数ペア:

[(1, 140420816), (2, 70210408), (4, 35105204), (8, 17552602), (16, 8776301), (17, 8260048), (34, 4130024), (68, 2065012), (136, 1032506), (272, 516253)]