198431044

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{45139}}^1$

素因数の和:45307

約数の個数: 24

約数和(自身を含む): 399398720

約数和(自身を除く): 200967676

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 45139, 90278, 180556, 315973, 631946, 1263892, 7086823, 14173646, 28347292, 49607761, 99215522, 198431044]

約数ペア:

[(1, 198431044), (2, 99215522), (4, 49607761), (7, 28347292), (14, 14173646), (28, 7086823), (157, 1263892), (314, 631946), (628, 315973), (1099, 180556), (2198, 90278), (4396, 45139)]