139271468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 289056768

約数和(自身を除く): 149785300

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 281, 434, 562, 571, 868, 1124, 1142, 1967, 2284, 3934, 3997, 7868, 7994, 8711, 15988, 17422, 17701, 34844, 35402, 60977, 70804, 121954, 123907, 160451, 243908, 247814, 320902, 495628, 641804, 1123157, 2246314, 4492628, 4973981, 9947962, 19895924, 34817867, 69635734, 139271468]

約数ペア:

[(1, 139271468), (2, 69635734), (4, 34817867), (7, 19895924), (14, 9947962), (28, 4973981), (31, 4492628), (62, 2246314), (124, 1123157), (217, 641804), (281, 495628), (434, 320902), (562, 247814), (571, 243908), (868, 160451), (1124, 123907), (1142, 121954), (1967, 70804), (2284, 60977), (3934, 35402), (3997, 34844), (7868, 17701), (7994, 17422), (8711, 15988)]