28785911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1321}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 36043008

約数和(自身を除く): 7257097

約数列:

[1, 7, 11, 77, 283, 1321, 1981, 3113, 9247, 14531, 21791, 101717, 373843, 2616901, 4112273, 28785911]

約数ペア:

[(1, 28785911), (7, 4112273), (11, 2616901), (77, 373843), (283, 101717), (1321, 21791), (1981, 14531), (3113, 9247)]