221528594

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{687977}}^1$

素因数の和:688009

約数の個数: 16

約数和(自身を含む): 396275328

約数和(自身を除く): 174746734

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 687977, 1375954, 4815839, 9631678, 15823471, 31646942, 110764297, 221528594]

約数ペア:

[(1, 221528594), (2, 110764297), (7, 31646942), (14, 15823471), (23, 9631678), (46, 4815839), (161, 1375954), (322, 687977)]