64668019

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 74207232

約数和(自身を除く): 9539213

約数列:

[1, 13, 23, 127, 131, 169, 299, 1651, 1703, 2921, 3013, 3887, 16637, 21463, 22139, 37973, 39169, 216281, 382651, 493649, 509197, 2811653, 4974463, 64668019]

約数ペア:

[(1, 64668019), (13, 4974463), (23, 2811653), (127, 509197), (131, 493649), (169, 382651), (299, 216281), (1651, 39169), (1703, 37973), (2921, 22139), (3013, 21463), (3887, 16637)]