28305004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77761}}^1$

素因数の和:77785

約数の個数: 24

約数和(自身を含む): 60965408

約数和(自身を除く): 32660404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 77761, 155522, 311044, 544327, 1010893, 1088654, 2021786, 2177308, 4043572, 7076251, 14152502, 28305004]

約数ペア:

[(1, 28305004), (2, 14152502), (4, 7076251), (7, 4043572), (13, 2177308), (14, 2021786), (26, 1088654), (28, 1010893), (52, 544327), (91, 311044), (182, 155522), (364, 77761)]