87492713

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 115015680

約数和(自身を除く): 27522967

約数列:

[1, 7, 11, 23, 77, 127, 161, 253, 389, 889, 1397, 1771, 2723, 2921, 4279, 8947, 9779, 20447, 29953, 32131, 49403, 62629, 98417, 224917, 345821, 543433, 688919, 1136269, 3804031, 7953883, 12498959, 87492713]

約数ペア:

[(1, 87492713), (7, 12498959), (11, 7953883), (23, 3804031), (77, 1136269), (127, 688919), (161, 543433), (253, 345821), (389, 224917), (889, 98417), (1397, 62629), (1771, 49403), (2723, 32131), (2921, 29953), (4279, 20447), (8947, 9779)]