2784128545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 3675373056

約数和(自身を除く): 891244511

約数列:

[1, 5, 11, 55, 257, 431, 457, 1285, 2155, 2285, 2827, 4741, 5027, 14135, 23705, 25135, 110767, 117449, 196967, 553835, 587245, 984835, 1218437, 1291939, 2166637, 6092185, 6459695, 10833185, 50620519, 253102595, 556825709, 2784128545]

約数ペア:

[(1, 2784128545), (5, 556825709), (11, 253102595), (55, 50620519), (257, 10833185), (431, 6459695), (457, 6092185), (1285, 2166637), (2155, 1291939), (2285, 1218437), (2827, 984835), (4741, 587245), (5027, 553835), (14135, 196967), (23705, 117449), (25135, 110767)]