221707087

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1\times {\mathrm{1021}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 257969152

約数和(自身を除く): 36262065

約数列:

[1, 7, 67, 463, 469, 1021, 3241, 7147, 31021, 68407, 217147, 472723, 478849, 3309061, 31672441, 221707087]

約数ペア:

[(1, 221707087), (7, 31672441), (67, 3309061), (463, 478849), (469, 472723), (1021, 217147), (3241, 68407), (7147, 31021)]