256417072

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{2777}}^1$

素因数の和:3013

約数の個数: 40

約数和(自身を含む): 516708000

約数和(自身を除く): 260290928

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 199, 232, 398, 464, 796, 1592, 2777, 3184, 5554, 5771, 11108, 11542, 22216, 23084, 44432, 46168, 80533, 92336, 161066, 322132, 552623, 644264, 1105246, 1288528, 2210492, 4420984, 8841968, 16026067, 32052134, 64104268, 128208536, 256417072]

約数ペア:

[(1, 256417072), (2, 128208536), (4, 64104268), (8, 32052134), (16, 16026067), (29, 8841968), (58, 4420984), (116, 2210492), (199, 1288528), (232, 1105246), (398, 644264), (464, 552623), (796, 322132), (1592, 161066), (2777, 92336), (3184, 80533), (5554, 46168), (5771, 44432), (11108, 23084), (11542, 22216)]