1279967689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{75217}}^1$

素因数の和:75265

約数の個数: 32

約数和(自身を含む): 1819673856

約数和(自身を除く): 539706167

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 17017, 75217, 526519, 827387, 977821, 1278689, 5791709, 6844747, 8950823, 10756031, 14065579, 16622957, 75292217, 98459053, 116360699, 182852527, 1279967689]

約数ペア:

[(1, 1279967689), (7, 182852527), (11, 116360699), (13, 98459053), (17, 75292217), (77, 16622957), (91, 14065579), (119, 10756031), (143, 8950823), (187, 6844747), (221, 5791709), (1001, 1278689), (1309, 977821), (1547, 827387), (2431, 526519), (17017, 75217)]