1397936

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 20

約数和(自身を含む): 2775864

約数和(自身を除く): 1377928

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 2131, 4262, 8524, 17048, 34096, 87371, 174742, 349484, 698968, 1397936]

約数ペア:

[(1, 1397936), (2, 698968), (4, 349484), (8, 174742), (16, 87371), (41, 34096), (82, 17048), (164, 8524), (328, 4262), (656, 2131)]