8991256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 17910000

約数和(自身を除く): 8918744

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 397, 596, 794, 1192, 1588, 2831, 3176, 5662, 7543, 11324, 15086, 22648, 30172, 59153, 60344, 118306, 236612, 473224, 1123907, 2247814, 4495628, 8991256]

約数ペア:

[(1, 8991256), (2, 4495628), (4, 2247814), (8, 1123907), (19, 473224), (38, 236612), (76, 118306), (149, 60344), (152, 59153), (298, 30172), (397, 22648), (596, 15086), (794, 11324), (1192, 7543), (1588, 5662), (2831, 3176)]