211031788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{111539}}^1$

素因数の和:111597

約数の個数: 24

約数和(自身を含む): 412251840

約数和(自身を除く): 201220052

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 111539, 223078, 446156, 1226929, 2453858, 4796177, 4907716, 9592354, 19184708, 52757947, 105515894, 211031788]

約数ペア:

[(1, 211031788), (2, 105515894), (4, 52757947), (11, 19184708), (22, 9592354), (43, 4907716), (44, 4796177), (86, 2453858), (172, 1226929), (473, 446156), (946, 223078), (1892, 111539)]