129021746

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{66301}}^1$

素因数の和:66449

約数の個数: 16

約数和(自身を含む): 222774720

約数和(自身を除く): 93752974

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 66301, 132602, 464107, 928214, 9215839, 18431678, 64510873, 129021746]

約数ペア:

[(1, 129021746), (2, 64510873), (7, 18431678), (14, 9215839), (139, 928214), (278, 464107), (973, 132602), (1946, 66301)]