28911058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 19860014

約数列:

[1, 2, 11, 22, 71, 83, 142, 166, 223, 446, 781, 913, 1562, 1826, 2453, 4906, 5893, 11786, 15833, 18509, 31666, 37018, 64823, 129646, 174163, 203599, 348326, 407198, 1314139, 2628278, 14455529, 28911058]

約数ペア:

[(1, 28911058), (2, 14455529), (11, 2628278), (22, 1314139), (71, 407198), (83, 348326), (142, 203599), (166, 174163), (223, 129646), (446, 64823), (781, 37018), (913, 31666), (1562, 18509), (1826, 15833), (2453, 11786), (4906, 5893)]