199887856

素因数分解:

$2^4\times 7^2\times {\mathrm{254959}}^1$

素因数の和:254981

約数の個数: 30

約数和(自身を含む): 450514320

約数和(自身を除く): 250626464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 254959, 509918, 1019836, 1784713, 2039672, 3569426, 4079344, 7138852, 12492991, 14277704, 24985982, 28555408, 49971964, 99943928, 199887856]

約数ペア:

[(1, 199887856), (2, 99943928), (4, 49971964), (7, 28555408), (8, 24985982), (14, 14277704), (16, 12492991), (28, 7138852), (49, 4079344), (56, 3569426), (98, 2039672), (112, 1784713), (196, 1019836), (392, 509918), (784, 254959)]