28377307

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 33675264

約数和(自身を除く): 5297957

約数列:

[1, 7, 31, 217, 251, 521, 1757, 3647, 7781, 16151, 54467, 113057, 130771, 915397, 4053901, 28377307]

約数ペア:

[(1, 28377307), (7, 4053901), (31, 915397), (217, 130771), (251, 113057), (521, 54467), (1757, 16151), (3647, 7781)]