2161936

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 4860800

約数和(自身を除く): 2698864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 199, 388, 398, 679, 776, 796, 1358, 1393, 1552, 1592, 2716, 2786, 3184, 5432, 5572, 10864, 11144, 19303, 22288, 38606, 77212, 135121, 154424, 270242, 308848, 540484, 1080968, 2161936]

約数ペア:

[(1, 2161936), (2, 1080968), (4, 540484), (7, 308848), (8, 270242), (14, 154424), (16, 135121), (28, 77212), (56, 38606), (97, 22288), (112, 19303), (194, 11144), (199, 10864), (388, 5572), (398, 5432), (679, 3184), (776, 2786), (796, 2716), (1358, 1592), (1393, 1552)]