287188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 562464

約数和(自身を除く): 275276

約数列:

[1, 2, 4, 11, 22, 44, 61, 107, 122, 214, 244, 428, 671, 1177, 1342, 2354, 2684, 4708, 6527, 13054, 26108, 71797, 143594, 287188]

約数ペア:

[(1, 287188), (2, 143594), (4, 71797), (11, 26108), (22, 13054), (44, 6527), (61, 4708), (107, 2684), (122, 2354), (214, 1342), (244, 1177), (428, 671)]