139861972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 258616512

約数和(自身を除く): 118754540

約数列:

[1, 2, 4, 43, 83, 86, 97, 101, 166, 172, 194, 202, 332, 388, 404, 3569, 4171, 4343, 7138, 8051, 8342, 8383, 8686, 9797, 14276, 16102, 16684, 16766, 17372, 19594, 32204, 33532, 39188, 346193, 360469, 421271, 692386, 720938, 813151, 842542, 1384772, 1441876, 1626302, 1685084, 3252604, 34965493, 69930986, 139861972]

約数ペア:

[(1, 139861972), (2, 69930986), (4, 34965493), (43, 3252604), (83, 1685084), (86, 1626302), (97, 1441876), (101, 1384772), (166, 842542), (172, 813151), (194, 720938), (202, 692386), (332, 421271), (388, 360469), (404, 346193), (3569, 39188), (4171, 33532), (4343, 32204), (7138, 19594), (8051, 17372), (8342, 16766), (8383, 16684), (8686, 16102), (9797, 14276)]