256167317

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1\times {\mathrm{1543}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 301339392

約数和(自身を除く): 45172075

約数列:

[1, 7, 37, 259, 641, 1543, 4487, 10801, 23717, 57091, 166019, 399637, 989063, 6923441, 36595331, 256167317]

約数ペア:

[(1, 256167317), (7, 36595331), (37, 6923441), (259, 989063), (641, 399637), (1543, 166019), (4487, 57091), (10801, 23717)]