2561596

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 4690224

約数和(自身を除く): 2128628

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 281, 562, 1124, 2279, 4558, 9116, 12083, 14893, 24166, 29786, 48332, 59572, 640399, 1280798, 2561596]

約数ペア:

[(1, 2561596), (2, 1280798), (4, 640399), (43, 59572), (53, 48332), (86, 29786), (106, 24166), (172, 14893), (212, 12083), (281, 9116), (562, 4558), (1124, 2279)]