84785148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1187

約数の個数: 72

約数和(自身を含む): 245787360

約数和(自身を除く): 161002212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509, 661, 1018, 1322, 1527, 1983, 2036, 2644, 3054, 3563, 3966, 4581, 4627, 5949, 6108, 7126, 7932, 9162, 9254, 10689, 11898, 13881, 14252, 18324, 18508, 21378, 23796, 27762, 32067, 41643, 42756, 55524, 64134, 83286, 128268, 166572, 336449, 672898, 1009347, 1345796, 2018694, 2355143, 3028041, 4037388, 4710286, 6056082, 7065429, 9420572, 12112164, 14130858, 21196287, 28261716, 42392574, 84785148]

約数ペア:

[(1, 84785148), (2, 42392574), (3, 28261716), (4, 21196287), (6, 14130858), (7, 12112164), (9, 9420572), (12, 7065429), (14, 6056082), (18, 4710286), (21, 4037388), (28, 3028041), (36, 2355143), (42, 2018694), (63, 1345796), (84, 1009347), (126, 672898), (252, 336449), (509, 166572), (661, 128268), (1018, 83286), (1322, 64134), (1527, 55524), (1983, 42756), (2036, 41643), (2644, 32067), (3054, 27762), (3563, 23796), (3966, 21378), (4581, 18508), (4627, 18324), (5949, 14252), (6108, 13881), (7126, 11898), (7932, 10689), (9162, 9254)]