215204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 422688

約数和(自身を除く): 207484

約数列:

[1, 2, 4, 11, 22, 44, 67, 73, 134, 146, 268, 292, 737, 803, 1474, 1606, 2948, 3212, 4891, 9782, 19564, 53801, 107602, 215204]

約数ペア:

[(1, 215204), (2, 107602), (4, 53801), (11, 19564), (22, 9782), (44, 4891), (67, 3212), (73, 2948), (134, 1606), (146, 1474), (268, 803), (292, 737)]