256531465

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1\times {\mathrm{1543}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 315939456

約数和(自身を除く): 59407991

約数列:

[1, 5, 41, 205, 811, 1543, 4055, 7715, 33251, 63263, 166255, 316315, 1251373, 6256865, 51306293, 256531465]

約数ペア:

[(1, 256531465), (5, 51306293), (41, 6256865), (205, 1251373), (811, 316315), (1543, 166255), (4055, 63263), (7715, 33251)]