205673456

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{210731}}^1$

素因数の和:210800

約数の個数: 20

約数和(自身を含む): 405026904

約数和(自身を除く): 199353448

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 210731, 421462, 842924, 1685848, 3371696, 12854591, 25709182, 51418364, 102836728, 205673456]

約数ペア:

[(1, 205673456), (2, 102836728), (4, 51418364), (8, 25709182), (16, 12854591), (61, 3371696), (122, 1685848), (244, 842924), (488, 421462), (976, 210731)]