64379728

素因数分解:

$2^4\times 7^3\times {\mathrm{11731}}^1$

素因数の和:11760

約数の個数: 40

約数和(自身を含む): 145476800

約数和(自身を除く): 81097072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 11731, 23462, 46924, 82117, 93848, 164234, 187696, 328468, 574819, 656936, 1149638, 1313872, 2299276, 4023733, 4598552, 8047466, 9197104, 16094932, 32189864, 64379728]

約数ペア:

[(1, 64379728), (2, 32189864), (4, 16094932), (7, 9197104), (8, 8047466), (14, 4598552), (16, 4023733), (28, 2299276), (49, 1313872), (56, 1149638), (98, 656936), (112, 574819), (196, 328468), (343, 187696), (392, 164234), (686, 93848), (784, 82117), (1372, 46924), (2744, 23462), (5488, 11731)]