2021903455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1327}}^1\times {\mathrm{2131}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 2853946368

約数和(自身を除く): 832042913

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 1327, 2131, 6635, 10655, 14597, 17251, 23441, 27703, 72985, 86255, 117205, 138515, 189761, 304733, 948805, 1523665, 2827837, 14139185, 31106207, 36761881, 155531035, 183809405, 404380691, 2021903455]

約数ペア:

[(1, 2021903455), (5, 404380691), (11, 183809405), (13, 155531035), (55, 36761881), (65, 31106207), (143, 14139185), (715, 2827837), (1327, 1523665), (2131, 948805), (6635, 304733), (10655, 189761), (14597, 138515), (17251, 117205), (23441, 86255), (27703, 72985)]