51149488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245911}}^1$

素因数の和:245932

約数の個数: 20

約数和(自身を含む): 106725808

約数和(自身を除く): 55576320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245911, 491822, 983644, 1967288, 3196843, 3934576, 6393686, 12787372, 25574744, 51149488]

約数ペア:

[(1, 51149488), (2, 25574744), (4, 12787372), (8, 6393686), (13, 3934576), (16, 3196843), (26, 1967288), (52, 983644), (104, 491822), (208, 245911)]