66989328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{199373}}^1$

素因数の和:199391

約数の個数: 40

約数和(自身を含む): 197779008

約数和(自身を除く): 130789680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 199373, 398746, 598119, 797492, 1196238, 1395611, 1594984, 2392476, 2791222, 3189968, 4186833, 4784952, 5582444, 8373666, 9569904, 11164888, 16747332, 22329776, 33494664, 66989328]

約数ペア:

[(1, 66989328), (2, 33494664), (3, 22329776), (4, 16747332), (6, 11164888), (7, 9569904), (8, 8373666), (12, 5582444), (14, 4784952), (16, 4186833), (21, 3189968), (24, 2791222), (28, 2392476), (42, 1594984), (48, 1395611), (56, 1196238), (84, 797492), (112, 598119), (168, 398746), (336, 199373)]