28884752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138869}}^1$

素因数の和:138890

約数の個数: 20

約数和(自身を含む): 60269580

約数和(自身を除く): 31384828

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138869, 277738, 555476, 1110952, 1805297, 2221904, 3610594, 7221188, 14442376, 28884752]

約数ペア:

[(1, 28884752), (2, 14442376), (4, 7221188), (8, 3610594), (13, 2221904), (16, 1805297), (26, 1110952), (52, 555476), (104, 277738), (208, 138869)]