201319225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 257280408

約数和(自身を除く): 55961183

約数列:

[1, 5, 25, 41, 197, 205, 985, 997, 1025, 4925, 4985, 8077, 24925, 40385, 40877, 196409, 201925, 204385, 982045, 1021925, 4910225, 8052769, 40263845, 201319225]

約数ペア:

[(1, 201319225), (5, 40263845), (25, 8052769), (41, 4910225), (197, 1021925), (205, 982045), (985, 204385), (997, 201925), (1025, 196409), (4925, 40877), (4985, 40385), (8077, 24925)]