51720208

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{44281}}^1$

素因数の和:44362

約数の個数: 20

約数和(自身を含む): 101582908

約数和(自身を除く): 49862700

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 44281, 88562, 177124, 354248, 708496, 3232513, 6465026, 12930052, 25860104, 51720208]

約数ペア:

[(1, 51720208), (2, 25860104), (4, 12930052), (8, 6465026), (16, 3232513), (73, 708496), (146, 354248), (292, 177124), (584, 88562), (1168, 44281)]