128395144

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 243670680

約数和(自身を除く): 115275536

約数列:

[1, 2, 4, 8, 197, 257, 317, 394, 514, 634, 788, 1028, 1268, 1576, 2056, 2536, 50629, 62449, 81469, 101258, 124898, 162938, 202516, 249796, 325876, 405032, 499592, 651752, 16049393, 32098786, 64197572, 128395144]

約数ペア:

[(1, 128395144), (2, 64197572), (4, 32098786), (8, 16049393), (197, 651752), (257, 499592), (317, 405032), (394, 325876), (514, 249796), (634, 202516), (788, 162938), (1028, 124898), (1268, 101258), (1576, 81469), (2056, 62449), (2536, 50629)]