661619192135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{1040339}}^1$

素因数の和:1040759

約数の個数: 32

約数和(自身を含む): 896456816640

約数和(自身を除く): 234837624505

約数列:

[1, 5, 11, 31, 55, 155, 341, 373, 1705, 1865, 4103, 11563, 20515, 57815, 127193, 635965, 1040339, 5201695, 11443729, 32250509, 57218645, 161252545, 354755599, 388046447, 1773777995, 1940232235, 4268510917, 12029439857, 21342554585, 60147199285, 132323838427, 661619192135]

約数ペア:

[(1, 661619192135), (5, 132323838427), (11, 60147199285), (31, 21342554585), (55, 12029439857), (155, 4268510917), (341, 1940232235), (373, 1773777995), (1705, 388046447), (1865, 354755599), (4103, 161252545), (11563, 57218645), (20515, 32250509), (57815, 11443729), (127193, 5201695), (635965, 1040339)]