163920295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{787}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 246007296

約数和(自身を除く): 82087001

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 541, 787, 2705, 3787, 3935, 5509, 5951, 8657, 18935, 27545, 29755, 41657, 43285, 60599, 208285, 302995, 425767, 2128835, 2980369, 4683437, 14901845, 23417185, 32784059, 163920295]

約数ペア:

[(1, 163920295), (5, 32784059), (7, 23417185), (11, 14901845), (35, 4683437), (55, 2980369), (77, 2128835), (385, 425767), (541, 302995), (787, 208285), (2705, 60599), (3787, 43285), (3935, 41657), (5509, 29755), (5951, 27545), (8657, 18935)]