201638144

素因数分解:

$2^8\times {\mathrm{787649}}^1$

素因数の和:787665

約数の個数: 18

約数和(自身を含む): 402489150

約数和(自身を除く): 200851006

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 787649, 1575298, 3150596, 6301192, 12602384, 25204768, 50409536, 100819072, 201638144]

約数ペア:

[(1, 201638144), (2, 100819072), (4, 50409536), (8, 25204768), (16, 12602384), (32, 6301192), (64, 3150596), (128, 1575298), (256, 787649)]