399094

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 16

約数和(自身を含む): 637056

約数和(自身を除く): 237962

約数列:

[1, 2, 31, 41, 62, 82, 157, 314, 1271, 2542, 4867, 6437, 9734, 12874, 199547, 399094]

約数ペア:

[(1, 399094), (2, 199547), (31, 12874), (41, 9734), (62, 6437), (82, 4867), (157, 2542), (314, 1271)]