31127938

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{2731}}^1$

素因数の和:2913

約数の個数: 16

約数和(自身を含む): 48192480

約数和(自身を除く): 17064542

約数列:

[1, 2, 41, 82, 139, 278, 2731, 5462, 5699, 11398, 111971, 223942, 379609, 759218, 15563969, 31127938]

約数ペア:

[(1, 31127938), (2, 15563969), (41, 759218), (82, 379609), (139, 223942), (278, 111971), (2731, 11398), (5462, 5699)]