2148388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 4140864

約数和(自身を除く): 1992476

約数列:

[1, 2, 4, 11, 22, 44, 157, 311, 314, 622, 628, 1244, 1727, 3421, 3454, 6842, 6908, 13684, 48827, 97654, 195308, 537097, 1074194, 2148388]

約数ペア:

[(1, 2148388), (2, 1074194), (4, 537097), (11, 195308), (22, 97654), (44, 48827), (157, 13684), (311, 6908), (314, 6842), (622, 3454), (628, 3421), (1244, 1727)]