639435048

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{8831}}^1$

素因数の和:9278

約数の個数: 64

約数和(自身を含む): 1831403520

約数和(自身を除く): 1191968472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 431, 862, 1293, 1724, 2586, 3017, 3448, 5172, 6034, 8831, 9051, 10344, 12068, 17662, 18102, 24136, 26493, 35324, 36204, 52986, 61817, 70648, 72408, 105972, 123634, 185451, 211944, 247268, 370902, 494536, 741804, 1483608, 3806161, 7612322, 11418483, 15224644, 22836966, 26643127, 30449288, 45673932, 53286254, 79929381, 91347864, 106572508, 159858762, 213145016, 319717524, 639435048]

約数ペア:

[(1, 639435048), (2, 319717524), (3, 213145016), (4, 159858762), (6, 106572508), (7, 91347864), (8, 79929381), (12, 53286254), (14, 45673932), (21, 30449288), (24, 26643127), (28, 22836966), (42, 15224644), (56, 11418483), (84, 7612322), (168, 3806161), (431, 1483608), (862, 741804), (1293, 494536), (1724, 370902), (2586, 247268), (3017, 211944), (3448, 185451), (5172, 123634), (6034, 105972), (8831, 72408), (9051, 70648), (10344, 61817), (12068, 52986), (17662, 36204), (18102, 35324), (24136, 26493)]