640866

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 32

約数和(自身を含む): 1392768

約数和(自身を除く): 751902

約数列:

[1, 2, 3, 6, 17, 34, 51, 61, 102, 103, 122, 183, 206, 309, 366, 618, 1037, 1751, 2074, 3111, 3502, 5253, 6222, 6283, 10506, 12566, 18849, 37698, 106811, 213622, 320433, 640866]

約数ペア:

[(1, 640866), (2, 320433), (3, 213622), (6, 106811), (17, 37698), (34, 18849), (51, 12566), (61, 10506), (102, 6283), (103, 6222), (122, 5253), (183, 3502), (206, 3111), (309, 2074), (366, 1751), (618, 1037)]