221391142

素因数分解:

$2^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{57089}}^1$

素因数の和:57375

約数の個数: 16

約数和(自身を含む): 380904480

約数和(自身を除く): 159513338

約数列:

[1, 2, 7, 14, 277, 554, 1939, 3878, 57089, 114178, 399623, 799246, 15813653, 31627306, 110695571, 221391142]

約数ペア:

[(1, 221391142), (2, 110695571), (7, 31627306), (14, 15813653), (277, 799246), (554, 399623), (1939, 114178), (3878, 57089)]