215940265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{4451}}^1$

素因数の和:4800

約数の個数: 16

約数和(自身を含む): 268402176

約数和(自身を除く): 52461911

約数列:

[1, 5, 31, 155, 313, 1565, 4451, 9703, 22255, 48515, 137981, 689905, 1393163, 6965815, 43188053, 215940265]

約数ペア:

[(1, 215940265), (5, 43188053), (31, 6965815), (155, 1393163), (313, 689905), (1565, 137981), (4451, 48515), (9703, 22255)]