205380961

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 235699200

約数和(自身を除く): 30318239

約数列:

[1, 17, 23, 61, 79, 109, 391, 1037, 1343, 1403, 1817, 1853, 2507, 4819, 6649, 8611, 23851, 30889, 42619, 81923, 110837, 113033, 146387, 152927, 198053, 525271, 1884229, 2599759, 3366901, 8929607, 12081233, 205380961]

約数ペア:

[(1, 205380961), (17, 12081233), (23, 8929607), (61, 3366901), (79, 2599759), (109, 1884229), (391, 525271), (1037, 198053), (1343, 152927), (1403, 146387), (1817, 113033), (1853, 110837), (2507, 81923), (4819, 42619), (6649, 30889), (8611, 23851)]