641736706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1451893}}^1$

素因数の和:1451925

約数の個数: 16

約数和(自身を含む): 1097631864

約数和(自身を除く): 455895158

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 1451893, 2903786, 18874609, 24682181, 37749218, 49364362, 320868353, 641736706]

約数ペア:

[(1, 641736706), (2, 320868353), (13, 49364362), (17, 37749218), (26, 24682181), (34, 18874609), (221, 2903786), (442, 1451893)]