251011748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{72047}}^1$

素因数の和:72131

約数の個数: 24

約数和(自身を含む): 480127872

約数和(自身を除く): 229116124

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 72047, 144094, 288188, 936611, 1873222, 3746444, 4827149, 9654298, 19308596, 62752937, 125505874, 251011748]

約数ペア:

[(1, 251011748), (2, 125505874), (4, 62752937), (13, 19308596), (26, 9654298), (52, 4827149), (67, 3746444), (134, 1873222), (268, 936611), (871, 288188), (1742, 144094), (3484, 72047)]