221878256

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{167077}}^1$

素因数の和:167168

約数の個数: 20

約数和(自身を含む): 435071112

約数和(自身を除く): 213192856

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 167077, 334154, 668308, 1336616, 2673232, 13867391, 27734782, 55469564, 110939128, 221878256]

約数ペア:

[(1, 221878256), (2, 110939128), (4, 55469564), (8, 27734782), (16, 13867391), (83, 2673232), (166, 1336616), (332, 668308), (664, 334154), (1328, 167077)]