321497768

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{307}}^1\times {\mathrm{1657}}^1$

素因数の和:2049

約数の個数: 32

約数和(自身を含む): 612796800

約数和(自身を除く): 291299032

約数列:

[1, 2, 4, 8, 79, 158, 307, 316, 614, 632, 1228, 1657, 2456, 3314, 6628, 13256, 24253, 48506, 97012, 130903, 194024, 261806, 508699, 523612, 1017398, 1047224, 2034796, 4069592, 40187221, 80374442, 160748884, 321497768]

約数ペア:

[(1, 321497768), (2, 160748884), (4, 80374442), (8, 40187221), (79, 4069592), (158, 2034796), (307, 1047224), (316, 1017398), (614, 523612), (632, 508699), (1228, 261806), (1657, 194024), (2456, 130903), (3314, 97012), (6628, 48506), (13256, 24253)]