138385744

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{13883}}^1$

素因数の和:13987

約数の個数: 40

約数和(自身を含む): 309890880

約数和(自身を除く): 171505136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 13883, 27766, 55532, 97181, 111064, 194362, 222128, 388724, 777448, 1235587, 1554896, 2471174, 4942348, 8649109, 9884696, 17298218, 19769392, 34596436, 69192872, 138385744]

約数ペア:

[(1, 138385744), (2, 69192872), (4, 34596436), (7, 19769392), (8, 17298218), (14, 9884696), (16, 8649109), (28, 4942348), (56, 2471174), (89, 1554896), (112, 1235587), (178, 777448), (356, 388724), (623, 222128), (712, 194362), (1246, 111064), (1424, 97181), (2492, 55532), (4984, 27766), (9968, 13883)]