287753874

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{3253}}^1$

素因数の和:3922

約数の個数: 32

約数和(自身を含む): 601651584

約数和(自身を除く): 313897710

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 641, 1282, 1923, 3253, 3846, 6506, 9759, 14743, 19518, 29486, 44229, 74819, 88458, 149638, 224457, 448914, 2085173, 4170346, 6255519, 12511038, 47958979, 95917958, 143876937, 287753874]

約数ペア:

[(1, 287753874), (2, 143876937), (3, 95917958), (6, 47958979), (23, 12511038), (46, 6255519), (69, 4170346), (138, 2085173), (641, 448914), (1282, 224457), (1923, 149638), (3253, 88458), (3846, 74819), (6506, 44229), (9759, 29486), (14743, 19518)]