208533025

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{761}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 263904984

約数和(自身を除く): 55371959

約数列:

[1, 5, 25, 97, 113, 485, 565, 761, 2425, 2825, 3805, 10961, 19025, 54805, 73817, 85993, 274025, 369085, 429965, 1845425, 2149825, 8341321, 41706605, 208533025]

約数ペア:

[(1, 208533025), (5, 41706605), (25, 8341321), (97, 2149825), (113, 1845425), (485, 429965), (565, 369085), (761, 274025), (2425, 85993), (2825, 73817), (3805, 54805), (10961, 19025)]