217872008

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{2591}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 427368960

約数和(自身を除く): 209496952

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 457, 914, 1828, 2591, 3656, 5182, 10364, 10511, 20728, 21022, 42044, 59593, 84088, 119186, 238372, 476744, 1184087, 2368174, 4736348, 9472696, 27234001, 54468002, 108936004, 217872008]

約数ペア:

[(1, 217872008), (2, 108936004), (4, 54468002), (8, 27234001), (23, 9472696), (46, 4736348), (92, 2368174), (184, 1184087), (457, 476744), (914, 238372), (1828, 119186), (2591, 84088), (3656, 59593), (5182, 42044), (10364, 21022), (10511, 20728)]