256989306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{359929}}^1$

素因数の和:359958

約数の個数: 32

約数和(自身を含む): 621959040

約数和(自身を除く): 364969734

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 359929, 719858, 1079787, 2159574, 2519503, 5039006, 6118793, 7558509, 12237586, 15117018, 18356379, 36712758, 42831551, 85663102, 128494653, 256989306]

約数ペア:

[(1, 256989306), (2, 128494653), (3, 85663102), (6, 42831551), (7, 36712758), (14, 18356379), (17, 15117018), (21, 12237586), (34, 7558509), (42, 6118793), (51, 5039006), (102, 2519503), (119, 2159574), (238, 1079787), (357, 719858), (714, 359929)]