213157085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{5351}}^1$

素因数の和:5644

約数の個数: 16

約数和(自身を含む): 265116672

約数和(自身を除く): 51959587

約数列:

[1, 5, 31, 155, 257, 1285, 5351, 7967, 26755, 39835, 165881, 829405, 1375207, 6876035, 42631417, 213157085]

約数ペア:

[(1, 213157085), (5, 42631417), (31, 6876035), (155, 1375207), (257, 829405), (1285, 165881), (5351, 39835), (7967, 26755)]