28765396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21089}}^1$

素因数の和:21135

約数の個数: 24

約数和(自身を含む): 56689920

約数和(自身を除く): 27924524

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 21089, 42178, 84356, 231979, 463958, 653759, 927916, 1307518, 2615036, 7191349, 14382698, 28765396]

約数ペア:

[(1, 28765396), (2, 14382698), (4, 7191349), (11, 2615036), (22, 1307518), (31, 927916), (44, 653759), (62, 463958), (124, 231979), (341, 84356), (682, 42178), (1364, 21089)]