81742678

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1\times {\mathrm{593}}^1$

素因数の和:1191

約数の個数: 16

約数和(自身を含む): 123884640

約数和(自身を除く): 42141962

約数列:

[1, 2, 157, 314, 439, 593, 878, 1186, 68923, 93101, 137846, 186202, 260327, 520654, 40871339, 81742678]

約数ペア:

[(1, 81742678), (2, 40871339), (157, 520654), (314, 260327), (439, 186202), (593, 137846), (878, 93101), (1186, 68923)]