211671725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{7121}}^1$

素因数の和:7201

約数の個数: 24

約数和(自身を含む): 278185320

約数和(自身を除く): 66513595

約数列:

[1, 5, 25, 29, 41, 145, 205, 725, 1025, 1189, 5945, 7121, 29725, 35605, 178025, 206509, 291961, 1032545, 1459805, 5162725, 7299025, 8466869, 42334345, 211671725]

約数ペア:

[(1, 211671725), (5, 42334345), (25, 8466869), (29, 7299025), (41, 5162725), (145, 1459805), (205, 1032545), (725, 291961), (1025, 206509), (1189, 178025), (5945, 35605), (7121, 29725)]