78428812

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{3307}}^1$

素因数の和:3347

約数の個数: 54

約数和(自身を含む): 175545636

約数和(自身を除く): 97116824

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3307, 3388, 5929, 6614, 11858, 13228, 23149, 23716, 36377, 46298, 72754, 92596, 145508, 162043, 254639, 324086, 400147, 509278, 648172, 800294, 1018556, 1600588, 1782473, 2801029, 3564946, 5602058, 7129892, 11204116, 19607203, 39214406, 78428812]

約数ペア:

[(1, 78428812), (2, 39214406), (4, 19607203), (7, 11204116), (11, 7129892), (14, 5602058), (22, 3564946), (28, 2801029), (44, 1782473), (49, 1600588), (77, 1018556), (98, 800294), (121, 648172), (154, 509278), (196, 400147), (242, 324086), (308, 254639), (484, 162043), (539, 145508), (847, 92596), (1078, 72754), (1694, 46298), (2156, 36377), (3307, 23716), (3388, 23149), (5929, 13228), (6614, 11858)]