289822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 16

約数和(自身を含む): 477792

約数和(自身を除く): 187970

約数列:

[1, 2, 13, 26, 71, 142, 157, 314, 923, 1846, 2041, 4082, 11147, 22294, 144911, 289822]

約数ペア:

[(1, 289822), (2, 144911), (13, 22294), (26, 11147), (71, 4082), (142, 2041), (157, 1846), (314, 923)]