138691010

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{105871}}^1$

素因数の和:106009

約数の個数: 16

約数和(自身を含む): 251551872

約数和(自身を除く): 112860862

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 105871, 211742, 529355, 1058710, 13869101, 27738202, 69345505, 138691010]

約数ペア:

[(1, 138691010), (2, 69345505), (5, 27738202), (10, 13869101), (131, 1058710), (262, 529355), (655, 211742), (1310, 105871)]