205253744

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{51109}}^1$

素因数の和:51368

約数の個数: 20

約数和(自身を含む): 399271320

約数和(自身を除く): 194017576

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 51109, 102218, 204436, 408872, 817744, 12828359, 25656718, 51313436, 102626872, 205253744]

約数ペア:

[(1, 205253744), (2, 102626872), (4, 51313436), (8, 25656718), (16, 12828359), (251, 817744), (502, 408872), (1004, 204436), (2008, 102218), (4016, 51109)]