81368576

素因数分解:

$2^9\times {\mathrm{158923}}^1$

素因数の和:158941

約数の個数: 20

約数和(自身を含む): 162579252

約数和(自身を除く): 81210676

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 158923, 317846, 635692, 1271384, 2542768, 5085536, 10171072, 20342144, 40684288, 81368576]

約数ペア:

[(1, 81368576), (2, 40684288), (4, 20342144), (8, 10171072), (16, 5085536), (32, 2542768), (64, 1271384), (128, 635692), (256, 317846), (512, 158923)]