639418056

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1598

約数の個数: 64

約数和(自身を含む): 1625400000

約数和(自身を除く): 985981944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 257, 332, 498, 514, 664, 771, 996, 1028, 1249, 1542, 1992, 2056, 2498, 3084, 3747, 4996, 6168, 7494, 9992, 14988, 21331, 29976, 42662, 63993, 85324, 103667, 127986, 170648, 207334, 255972, 311001, 320993, 414668, 511944, 622002, 641986, 829336, 962979, 1244004, 1283972, 1925958, 2488008, 2567944, 3851916, 7703832, 26642419, 53284838, 79927257, 106569676, 159854514, 213139352, 319709028, 639418056]

約数ペア:

[(1, 639418056), (2, 319709028), (3, 213139352), (4, 159854514), (6, 106569676), (8, 79927257), (12, 53284838), (24, 26642419), (83, 7703832), (166, 3851916), (249, 2567944), (257, 2488008), (332, 1925958), (498, 1283972), (514, 1244004), (664, 962979), (771, 829336), (996, 641986), (1028, 622002), (1249, 511944), (1542, 414668), (1992, 320993), (2056, 311001), (2498, 255972), (3084, 207334), (3747, 170648), (4996, 127986), (6168, 103667), (7494, 85324), (9992, 63993), (14988, 42662), (21331, 29976)]