665441330

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{103813}}^1$

素因数の和:104461

約数の個数: 16

約数和(自身を含む): 1199674584

約数和(自身を除く): 534233254

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 103813, 207626, 519065, 1038130, 66544133, 133088266, 332720665, 665441330]

約数ペア:

[(1, 665441330), (2, 332720665), (5, 133088266), (10, 66544133), (641, 1038130), (1282, 519065), (3205, 207626), (6410, 103813)]