785324816

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{122401}}^1$

素因数の和:122810

約数の個数: 20

約数和(自身を含む): 1525373724

約数和(自身を除く): 740048908

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 122401, 244802, 489604, 979208, 1958416, 49082801, 98165602, 196331204, 392662408, 785324816]

約数ペア:

[(1, 785324816), (2, 392662408), (4, 196331204), (8, 98165602), (16, 49082801), (401, 1958416), (802, 979208), (1604, 489604), (3208, 244802), (6416, 122401)]