1388895048

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{521357}}^1$

素因数の和:521406

約数の個数: 48

約数和(自身を含む): 3863262780

約数和(自身を除く): 2474367732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 521357, 1042714, 1564071, 2085428, 3128142, 4170856, 4692213, 6256284, 9384426, 12512568, 18768852, 19290209, 37537704, 38580418, 57870627, 77160836, 115741254, 154321672, 173611881, 231482508, 347223762, 462965016, 694447524, 1388895048]

約数ペア:

[(1, 1388895048), (2, 694447524), (3, 462965016), (4, 347223762), (6, 231482508), (8, 173611881), (9, 154321672), (12, 115741254), (18, 77160836), (24, 57870627), (36, 38580418), (37, 37537704), (72, 19290209), (74, 18768852), (111, 12512568), (148, 9384426), (222, 6256284), (296, 4692213), (333, 4170856), (444, 3128142), (666, 2085428), (888, 1564071), (1332, 1042714), (2664, 521357)]