520028678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157489}}^1$

素因数の和:157631

約数の個数: 16

約数和(自身を含む): 846666240

約数和(自身を除く): 326637562

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 157489, 314978, 2047357, 4094714, 20001103, 40002206, 260014339, 520028678]

約数ペア:

[(1, 520028678), (2, 260014339), (13, 40002206), (26, 20001103), (127, 4094714), (254, 2047357), (1651, 314978), (3302, 157489)]