221438966

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{23929}}^1$

素因数の和:24599

約数の個数: 16

約数和(自身を含む): 380199840

約数和(自身を除く): 158760874

約数列:

[1, 2, 7, 14, 661, 1322, 4627, 9254, 23929, 47858, 167503, 335006, 15817069, 31634138, 110719483, 221438966]

約数ペア:

[(1, 221438966), (2, 110719483), (7, 31634138), (14, 15817069), (661, 335006), (1322, 167503), (4627, 47858), (9254, 23929)]