261759984

素因数分解:

$2^4\times 3^1\times {\mathrm{271}}^1\times {\mathrm{20123}}^1$

素因数の和:20405

約数の個数: 40

約数和(自身を含む): 678742272

約数和(自身を除く): 416982288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 271, 542, 813, 1084, 1626, 2168, 3252, 4336, 6504, 13008, 20123, 40246, 60369, 80492, 120738, 160984, 241476, 321968, 482952, 965904, 5453333, 10906666, 16359999, 21813332, 32719998, 43626664, 65439996, 87253328, 130879992, 261759984]

約数ペア:

[(1, 261759984), (2, 130879992), (3, 87253328), (4, 65439996), (6, 43626664), (8, 32719998), (12, 21813332), (16, 16359999), (24, 10906666), (48, 5453333), (271, 965904), (542, 482952), (813, 321968), (1084, 241476), (1626, 160984), (2168, 120738), (3252, 80492), (4336, 60369), (6504, 40246), (13008, 20123)]