2780451615

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1\times {\mathrm{2663}}^1$

素因数の和:4199

約数の個数: 32

約数和(自身を含む): 4548151296

約数和(自身を除く): 1767699681

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 1481, 2663, 4443, 7405, 7989, 13315, 22215, 39945, 69607, 125161, 208821, 348035, 375483, 625805, 1044105, 1877415, 3943903, 11831709, 19719515, 59158545, 185363441, 556090323, 926817205, 2780451615]

約数ペア:

[(1, 2780451615), (3, 926817205), (5, 556090323), (15, 185363441), (47, 59158545), (141, 19719515), (235, 11831709), (705, 3943903), (1481, 1877415), (2663, 1044105), (4443, 625805), (7405, 375483), (7989, 348035), (13315, 208821), (22215, 125161), (39945, 69607)]