261319884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{11071}}^1$

素因数の和:11366

約数の個数: 48

約数和(自身を含む): 699396096

約数和(自身を除く): 438076212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 281, 562, 843, 1124, 1686, 1967, 3372, 3934, 5901, 7868, 11071, 11802, 22142, 23604, 33213, 44284, 66426, 77497, 132852, 154994, 232491, 309988, 464982, 929964, 3110951, 6221902, 9332853, 12443804, 18665706, 21776657, 37331412, 43553314, 65329971, 87106628, 130659942, 261319884]

約数ペア:

[(1, 261319884), (2, 130659942), (3, 87106628), (4, 65329971), (6, 43553314), (7, 37331412), (12, 21776657), (14, 18665706), (21, 12443804), (28, 9332853), (42, 6221902), (84, 3110951), (281, 929964), (562, 464982), (843, 309988), (1124, 232491), (1686, 154994), (1967, 132852), (3372, 77497), (3934, 66426), (5901, 44284), (7868, 33213), (11071, 23604), (11802, 22142)]