217702078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{71191}}^1$

素因数の和:71343

約数の個数: 16

約数和(自身を含む): 358807680

約数和(自身を除く): 141105602

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 71191, 142382, 783101, 1566202, 9895549, 19791098, 108851039, 217702078]

約数ペア:

[(1, 217702078), (2, 108851039), (11, 19791098), (22, 9895549), (139, 1566202), (278, 783101), (1529, 142382), (3058, 71191)]