28142464

素因数分解:

$2^7\times 7^3\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 65484000

約数和(自身を除く): 37341536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 641, 686, 784, 896, 1282, 1372, 1568, 2564, 2744, 3136, 4487, 5128, 5488, 6272, 8974, 10256, 10976, 17948, 20512, 21952, 31409, 35896, 41024, 43904, 62818, 71792, 82048, 125636, 143584, 219863, 251272, 287168, 439726, 502544, 574336, 879452, 1005088, 1758904, 2010176, 3517808, 4020352, 7035616, 14071232, 28142464]

約数ペア:

[(1, 28142464), (2, 14071232), (4, 7035616), (7, 4020352), (8, 3517808), (14, 2010176), (16, 1758904), (28, 1005088), (32, 879452), (49, 574336), (56, 502544), (64, 439726), (98, 287168), (112, 251272), (128, 219863), (196, 143584), (224, 125636), (343, 82048), (392, 71792), (448, 62818), (641, 43904), (686, 41024), (784, 35896), (896, 31409), (1282, 21952), (1372, 20512), (1568, 17948), (2564, 10976), (2744, 10256), (3136, 8974), (4487, 6272), (5128, 5488)]