1905298715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 2458874880

約数和(自身を除く): 553576165

約数列:

[1, 5, 17, 85, 131, 139, 655, 695, 1231, 2227, 2363, 6155, 11135, 11815, 18209, 20927, 91045, 104635, 161261, 171109, 309553, 806305, 855545, 1547765, 2741437, 2908853, 13707185, 14544265, 22415279, 112076395, 381059743, 1905298715]

約数ペア:

[(1, 1905298715), (5, 381059743), (17, 112076395), (85, 22415279), (131, 14544265), (139, 13707185), (655, 2908853), (695, 2741437), (1231, 1547765), (2227, 855545), (2363, 806305), (6155, 309553), (11135, 171109), (11815, 161261), (18209, 104635), (20927, 91045)]