278329382

素因数分解:

$2^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1\times {\mathrm{971}}^1$

素因数の和:1795

約数の個数: 16

約数和(自身を含む): 420323904

約数和(自身を除く): 141994522

約数列:

[1, 2, 251, 502, 571, 971, 1142, 1942, 143321, 243721, 286642, 487442, 554441, 1108882, 139164691, 278329382]

約数ペア:

[(1, 278329382), (2, 139164691), (251, 1108882), (502, 554441), (571, 487442), (971, 286642), (1142, 243721), (1942, 143321)]