1561936

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2430

約数の個数: 20

約数和(自身を含む): 3101364

約数和(自身を除く): 1539428

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 2381, 4762, 9524, 19048, 38096, 97621, 195242, 390484, 780968, 1561936]

約数ペア:

[(1, 1561936), (2, 780968), (4, 390484), (8, 195242), (16, 97621), (41, 38096), (82, 19048), (164, 9524), (328, 4762), (656, 2381)]