1981612

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 3647952

約数和(自身を除く): 1666340

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 281, 562, 1124, 1763, 3526, 7052, 11521, 12083, 23042, 24166, 46084, 48332, 495403, 990806, 1981612]

約数ペア:

[(1, 1981612), (2, 990806), (4, 495403), (41, 48332), (43, 46084), (82, 24166), (86, 23042), (164, 12083), (172, 11521), (281, 7052), (562, 3526), (1124, 1763)]