900000002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{66089}}^1$

素因数の和:66721

約数の個数: 16

約数和(自身を含む): 1475128800

約数和(自身を除く): 575128798

約数列:

[1, 2, 11, 22, 619, 1238, 6809, 13618, 66089, 132178, 726979, 1453958, 40909091, 81818182, 450000001, 900000002]

約数ペア:

[(1, 900000002), (2, 450000001), (11, 81818182), (22, 40909091), (619, 1453958), (1238, 726979), (6809, 132178), (13618, 66089)]