221479874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1438181}}^1$

素因数の和:1438201

約数の個数: 16

約数和(自身を含む): 414196416

約数和(自身を除く): 192716542

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1438181, 2876362, 10067267, 15819991, 20134534, 31639982, 110739937, 221479874]

約数ペア:

[(1, 221479874), (2, 110739937), (7, 31639982), (11, 20134534), (14, 15819991), (22, 10067267), (77, 2876362), (154, 1438181)]