197429309

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2719}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 263208960

約数和(自身を除く): 65779651

約数列:

[1, 7, 11, 23, 41, 77, 161, 253, 287, 451, 943, 1771, 2719, 3157, 6601, 10373, 19033, 29909, 62537, 72611, 111479, 209363, 437759, 687907, 780353, 1226269, 2564017, 4815349, 8583883, 17948119, 28204187, 197429309]

約数ペア:

[(1, 197429309), (7, 28204187), (11, 17948119), (23, 8583883), (41, 4815349), (77, 2564017), (161, 1226269), (253, 780353), (287, 687907), (451, 437759), (943, 209363), (1771, 111479), (2719, 72611), (3157, 62537), (6601, 29909), (10373, 19033)]