71644048

素因数分解:

$2^4\times 7^1\times {\mathrm{639679}}^1$

素因数の和:639694

約数の個数: 20

約数和(自身を含む): 158640640

約数和(自身を除く): 86996592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 639679, 1279358, 2558716, 4477753, 5117432, 8955506, 10234864, 17911012, 35822024, 71644048]

約数ペア:

[(1, 71644048), (2, 35822024), (4, 17911012), (7, 10234864), (8, 8955506), (14, 5117432), (16, 4477753), (28, 2558716), (56, 1279358), (112, 639679)]