140974864

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:895

約数の個数: 40

約数和(自身を含む): 278321472

約数和(自身を除く): 137346608

約数列:

[1, 2, 4, 8, 16, 103, 131, 206, 262, 412, 524, 653, 824, 1048, 1306, 1648, 2096, 2612, 5224, 10448, 13493, 26986, 53972, 67259, 85543, 107944, 134518, 171086, 215888, 269036, 342172, 538072, 684344, 1076144, 1368688, 8810929, 17621858, 35243716, 70487432, 140974864]

約数ペア:

[(1, 140974864), (2, 70487432), (4, 35243716), (8, 17621858), (16, 8810929), (103, 1368688), (131, 1076144), (206, 684344), (262, 538072), (412, 342172), (524, 269036), (653, 215888), (824, 171086), (1048, 134518), (1306, 107944), (1648, 85543), (2096, 67259), (2612, 53972), (5224, 26986), (10448, 13493)]