207921904

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{193957}}^1$

素因数の和:194032

約数の個数: 20

約数和(自身を含む): 408863464

約数和(自身を除く): 200941560

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 193957, 387914, 775828, 1551656, 3103312, 12995119, 25990238, 51980476, 103960952, 207921904]

約数ペア:

[(1, 207921904), (2, 103960952), (4, 51980476), (8, 25990238), (16, 12995119), (67, 3103312), (134, 1551656), (268, 775828), (536, 387914), (1072, 193957)]