81003928

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{191047}}^1$

素因数の和:191106

約数の個数: 16

約数和(自身を含む): 154748880

約数和(自身を除く): 73744952

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 191047, 382094, 764188, 1528376, 10125491, 20250982, 40501964, 81003928]

約数ペア:

[(1, 81003928), (2, 40501964), (4, 20250982), (8, 10125491), (53, 1528376), (106, 764188), (212, 382094), (424, 191047)]