138701626

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{319589}}^1$

素因数の和:319629

約数の個数: 16

約数和(自身を含む): 245445120

約数和(自身を除く): 106743494

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 319589, 639178, 2237123, 4474246, 9907259, 19814518, 69350813, 138701626]

約数ペア:

[(1, 138701626), (2, 69350813), (7, 19814518), (14, 9907259), (31, 4474246), (62, 2237123), (217, 639178), (434, 319589)]