289794008

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{39503}}^1$

素因数の和:39647

約数の個数: 32

約数和(自身を含む): 625743360

約数和(自身を除く): 335949352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 7336, 39503, 79006, 158012, 276521, 316024, 553042, 1106084, 2212168, 5174893, 10349786, 20699572, 36224251, 41399144, 72448502, 144897004, 289794008]

約数ペア:

[(1, 289794008), (2, 144897004), (4, 72448502), (7, 41399144), (8, 36224251), (14, 20699572), (28, 10349786), (56, 5174893), (131, 2212168), (262, 1106084), (524, 553042), (917, 316024), (1048, 276521), (1834, 158012), (3668, 79006), (7336, 39503)]