221568259

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{13313}}^1$

素因数の和:13430

約数の個数: 16

約数和(自身を含む): 258824160

約数和(自身を除く): 37255901

約数列:

[1, 11, 17, 89, 187, 979, 1513, 13313, 16643, 146443, 226321, 1184857, 2489531, 13033427, 20142569, 221568259]

約数ペア:

[(1, 221568259), (11, 20142569), (17, 13033427), (89, 2489531), (187, 1184857), (979, 226321), (1513, 146443), (13313, 16643)]