257039235789

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{7238299}}^1$

素因数の和:7238417

約数の個数: 32

約数和(自身を含む): 416926080000

約数和(自身を除く): 159886844211

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 5073, 11837, 35511, 7238299, 21714897, 50668093, 137527681, 152004279, 412583043, 644208611, 962693767, 1932625833, 2888081301, 4509460277, 12239963609, 13528380831, 36719890827, 85679745263, 257039235789]

約数ペア:

[(1, 257039235789), (3, 85679745263), (7, 36719890827), (19, 13528380831), (21, 12239963609), (57, 4509460277), (89, 2888081301), (133, 1932625833), (267, 962693767), (399, 644208611), (623, 412583043), (1691, 152004279), (1869, 137527681), (5073, 50668093), (11837, 21714897), (35511, 7238299)]