209260708

素因数分解:

$2^2\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 369550944

約数和(自身を除く): 160290236

約数列:

[1, 2, 4, 251, 257, 502, 514, 811, 1004, 1028, 1622, 3244, 64507, 129014, 203561, 208427, 258028, 407122, 416854, 814244, 833708, 52315177, 104630354, 209260708]

約数ペア:

[(1, 209260708), (2, 104630354), (4, 52315177), (251, 833708), (257, 814244), (502, 416854), (514, 407122), (811, 258028), (1004, 208427), (1028, 203561), (1622, 129014), (3244, 64507)]