2053981909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{839}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 2515968000

約数和(自身を除く): 461986091

約数列:

[1, 7, 19, 79, 133, 233, 553, 839, 1501, 1631, 4427, 5873, 10507, 15941, 18407, 30989, 66281, 111587, 128849, 195487, 349733, 463967, 1259339, 1368409, 2448131, 3714253, 8815373, 15443473, 25999771, 108104311, 293425987, 2053981909]

約数ペア:

[(1, 2053981909), (7, 293425987), (19, 108104311), (79, 25999771), (133, 15443473), (233, 8815373), (553, 3714253), (839, 2448131), (1501, 1368409), (1631, 1259339), (4427, 463967), (5873, 349733), (10507, 195487), (15941, 128849), (18407, 111587), (30989, 66281)]