213996830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{1447}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 402845184

約数和(自身を除く): 188848354

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 643, 1286, 1447, 2894, 3215, 6430, 7235, 14470, 14789, 29578, 33281, 66562, 73945, 147890, 166405, 332810, 930421, 1860842, 4652105, 9304210, 21399683, 42799366, 106998415, 213996830]

約数ペア:

[(1, 213996830), (2, 106998415), (5, 42799366), (10, 21399683), (23, 9304210), (46, 4652105), (115, 1860842), (230, 930421), (643, 332810), (1286, 166405), (1447, 147890), (2894, 73945), (3215, 66562), (6430, 33281), (7235, 29578), (14470, 14789)]