209412392

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{219971}}^1$

素因数の和:220001

約数の個数: 32

約数和(自身を含む): 475139520

約数和(自身を除く): 265727128

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 219971, 439942, 879884, 1539797, 1759768, 3079594, 3739507, 6159188, 7479014, 12318376, 14958028, 26176549, 29916056, 52353098, 104706196, 209412392]

約数ペア:

[(1, 209412392), (2, 104706196), (4, 52353098), (7, 29916056), (8, 26176549), (14, 14958028), (17, 12318376), (28, 7479014), (34, 6159188), (56, 3739507), (68, 3079594), (119, 1759768), (136, 1539797), (238, 879884), (476, 439942), (952, 219971)]