72808015

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 102767616

約数和(自身を除く): 29959601

約数列:

[1, 5, 7, 35, 71, 83, 353, 355, 415, 497, 581, 1765, 2471, 2485, 2905, 5893, 12355, 25063, 29299, 29465, 41251, 125315, 146495, 175441, 205093, 206255, 877205, 1025465, 2080229, 10401145, 14561603, 72808015]

約数ペア:

[(1, 72808015), (5, 14561603), (7, 10401145), (35, 2080229), (71, 1025465), (83, 877205), (353, 206255), (355, 205093), (415, 175441), (497, 146495), (581, 125315), (1765, 41251), (2471, 29465), (2485, 29299), (2905, 25063), (5893, 12355)]