127209908

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 260198400

約数和(自身を除く): 132988492

約数列:

[1, 2, 4, 7, 14, 28, 79, 131, 158, 262, 316, 439, 524, 553, 878, 917, 1106, 1756, 1834, 2212, 3073, 3668, 6146, 10349, 12292, 20698, 34681, 41396, 57509, 69362, 72443, 115018, 138724, 144886, 230036, 242767, 289772, 402563, 485534, 805126, 971068, 1610252, 4543211, 9086422, 18172844, 31802477, 63604954, 127209908]

約数ペア:

[(1, 127209908), (2, 63604954), (4, 31802477), (7, 18172844), (14, 9086422), (28, 4543211), (79, 1610252), (131, 971068), (158, 805126), (262, 485534), (316, 402563), (439, 289772), (524, 242767), (553, 230036), (878, 144886), (917, 138724), (1106, 115018), (1756, 72443), (1834, 69362), (2212, 57509), (3073, 41396), (3668, 34681), (6146, 20698), (10349, 12292)]