1778986782730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67139}}^1\times {\mathrm{64627}}^1$

素因数の和:131814

約数の個数: 32

約数和(自身を含む): 3280377683520

約数和(自身を除く): 1501390900790

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 64627, 67139, 129254, 134278, 323135, 335695, 646270, 671390, 2649707, 2752699, 5299414, 5505398, 13248535, 13763495, 26497070, 27526990, 4338992153, 8677984306, 21694960765, 43389921530, 177898678273, 355797356546, 889493391365, 1778986782730]

約数ペア:

[(1, 1778986782730), (2, 889493391365), (5, 355797356546), (10, 177898678273), (41, 43389921530), (82, 21694960765), (205, 8677984306), (410, 4338992153), (64627, 27526990), (67139, 26497070), (129254, 13763495), (134278, 13248535), (323135, 5505398), (335695, 5299414), (646270, 2752699), (671390, 2649707)]