207978845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{70621}}^1$

素因数の和:70676

約数の個数: 16

約数和(自身を含む): 271188480

約数和(自身を除く): 63209635

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 70621, 353105, 1341799, 2189251, 6708995, 10946255, 41595769, 207978845]

約数ペア:

[(1, 207978845), (5, 41595769), (19, 10946255), (31, 6708995), (95, 2189251), (155, 1341799), (589, 353105), (2945, 70621)]