205440272

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{154699}}^1$

素因数の和:154790

約数の個数: 20

約数和(自身を含む): 402838800

約数和(自身を除く): 197398528

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 154699, 309398, 618796, 1237592, 2475184, 12840017, 25680034, 51360068, 102720136, 205440272]

約数ペア:

[(1, 205440272), (2, 102720136), (4, 51360068), (8, 25680034), (16, 12840017), (83, 2475184), (166, 1237592), (332, 618796), (664, 309398), (1328, 154699)]