216747188

素因数分解:

$2^2\times 7^3\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 444864000

約数和(自身を除く): 228116812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 343, 478, 661, 686, 956, 1322, 1372, 1673, 2644, 3346, 4627, 6692, 9254, 11711, 18508, 23422, 32389, 46844, 64778, 81977, 129556, 157979, 163954, 226723, 315958, 327908, 453446, 631916, 906892, 1105853, 2211706, 4423412, 7740971, 15481942, 30963884, 54186797, 108373594, 216747188]

約数ペア:

[(1, 216747188), (2, 108373594), (4, 54186797), (7, 30963884), (14, 15481942), (28, 7740971), (49, 4423412), (98, 2211706), (196, 1105853), (239, 906892), (343, 631916), (478, 453446), (661, 327908), (686, 315958), (956, 226723), (1322, 163954), (1372, 157979), (1673, 129556), (2644, 81977), (3346, 64778), (4627, 46844), (6692, 32389), (9254, 23422), (11711, 18508)]