89990056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20123}}^1$

素因数の和:20185

約数の個数: 32

約数和(自身を含む): 185945760

約数和(自身を除く): 95955704

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 20123, 40246, 80492, 160984, 261599, 523198, 865289, 1046396, 1730578, 2092792, 3461156, 6922312, 11248757, 22497514, 44995028, 89990056]

約数ペア:

[(1, 89990056), (2, 44995028), (4, 22497514), (8, 11248757), (13, 6922312), (26, 3461156), (43, 2092792), (52, 1730578), (86, 1046396), (104, 865289), (172, 523198), (344, 261599), (559, 160984), (1118, 80492), (2236, 40246), (4472, 20123)]