221811665651

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1310719}}^1$

素因数の和:1310906

約数の個数: 16

約数和(自身を含む): 235552112640

約数和(自身を除く): 13740446989

約数列:

[1, 31, 53, 103, 1643, 3193, 5459, 169229, 1310719, 40632289, 69468107, 135004057, 2153511317, 4185125767, 7155215021, 221811665651]

約数ペア:

[(1, 221811665651), (31, 7155215021), (53, 4185125767), (103, 2153511317), (1643, 135004057), (3193, 69468107), (5459, 40632289), (169229, 1310719)]