16387987

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 5384813

約数列:

[1, 7, 11, 29, 41, 77, 179, 203, 287, 319, 451, 1189, 1253, 1969, 2233, 3157, 5191, 7339, 8323, 13079, 13783, 36337, 51373, 57101, 80729, 91553, 212831, 399707, 565103, 1489817, 2341141, 16387987]

約数ペア:

[(1, 16387987), (7, 2341141), (11, 1489817), (29, 565103), (41, 399707), (77, 212831), (179, 91553), (203, 80729), (287, 57101), (319, 51373), (451, 36337), (1189, 13783), (1253, 13079), (1969, 8323), (2233, 7339), (3157, 5191)]