212960890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{401813}}^1$

素因数の和:401873

約数の個数: 16

約数和(自身を含む): 390563208

約数和(自身を除く): 177602318

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 401813, 803626, 2009065, 4018130, 21296089, 42592178, 106480445, 212960890]

約数ペア:

[(1, 212960890), (2, 106480445), (5, 42592178), (10, 21296089), (53, 4018130), (106, 2009065), (265, 803626), (530, 401813)]