239668016

素因数分解:

$2^4\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2857}}^1$

素因数の和:2986

約数の個数: 60

約数和(自身を含む): 545409288

約数和(自身を除く): 305741272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 107, 112, 196, 214, 392, 428, 749, 784, 856, 1498, 1712, 2857, 2996, 5243, 5714, 5992, 10486, 11428, 11984, 19999, 20972, 22856, 39998, 41944, 45712, 79996, 83888, 139993, 159992, 279986, 305699, 319984, 559972, 611398, 1119944, 1222796, 2139893, 2239888, 2445592, 4279786, 4891184, 8559572, 14979251, 17119144, 29958502, 34238288, 59917004, 119834008, 239668016]

約数ペア:

[(1, 239668016), (2, 119834008), (4, 59917004), (7, 34238288), (8, 29958502), (14, 17119144), (16, 14979251), (28, 8559572), (49, 4891184), (56, 4279786), (98, 2445592), (107, 2239888), (112, 2139893), (196, 1222796), (214, 1119944), (392, 611398), (428, 559972), (749, 319984), (784, 305699), (856, 279986), (1498, 159992), (1712, 139993), (2857, 83888), (2996, 79996), (5243, 45712), (5714, 41944), (5992, 39998), (10486, 22856), (11428, 20972), (11984, 19999)]