4405890244

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{404507}}^1$

素因数の和:404907

約数の個数: 24

約数和(自身を含む): 8834454720

約数和(自身を除く): 4428564476

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 10892, 404507, 809014, 1618028, 2831549, 5663098, 11326196, 157353223, 314706446, 629412892, 1101472561, 2202945122, 4405890244]

約数ペア:

[(1, 4405890244), (2, 2202945122), (4, 1101472561), (7, 629412892), (14, 314706446), (28, 157353223), (389, 11326196), (778, 5663098), (1556, 2831549), (2723, 1618028), (5446, 809014), (10892, 404507)]