1981804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 3841488

約数和(自身を除く): 1859684

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 617, 803, 1234, 1606, 2468, 3212, 6787, 13574, 27148, 45041, 90082, 180164, 495451, 990902, 1981804]

約数ペア:

[(1, 1981804), (2, 990902), (4, 495451), (11, 180164), (22, 90082), (44, 45041), (73, 27148), (146, 13574), (292, 6787), (617, 3212), (803, 2468), (1234, 1606)]