721031888308

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{9465839}}^1$

素因数の和:9466119

約数の個数: 24

約数和(自身を含む): 1280160201600

約数和(自身を除く): 559128313292

約数列:

[1, 2, 4, 137, 139, 274, 278, 548, 556, 19043, 38086, 76172, 9465839, 18931678, 37863356, 1296819943, 1315751621, 2593639886, 2631503242, 5187279772, 5263006484, 180257972077, 360515944154, 721031888308]

約数ペア:

[(1, 721031888308), (2, 360515944154), (4, 180257972077), (137, 5263006484), (139, 5187279772), (274, 2631503242), (278, 2593639886), (548, 1315751621), (556, 1296819943), (19043, 37863356), (38086, 18931678), (76172, 9465839)]