1800028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 3380832

約数和(自身を除く): 1580804

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 257, 412, 514, 1028, 1751, 3502, 4369, 7004, 8738, 17476, 26471, 52942, 105884, 450007, 900014, 1800028]

約数ペア:

[(1, 1800028), (2, 900014), (4, 450007), (17, 105884), (34, 52942), (68, 26471), (103, 17476), (206, 8738), (257, 7004), (412, 4369), (514, 3502), (1028, 1751)]