128977456

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{16829}}^1$

素因数の和:17316

約数の個数: 20

約数和(自身を含む): 250430400

約数和(自身を除く): 121452944

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664, 16829, 33658, 67316, 134632, 269264, 8061091, 16122182, 32244364, 64488728, 128977456]

約数ペア:

[(1, 128977456), (2, 64488728), (4, 32244364), (8, 16122182), (16, 8061091), (479, 269264), (958, 134632), (1916, 67316), (3832, 33658), (7664, 16829)]