639739130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{7529}}^1$

素因数の和:7858

約数の個数: 32

約数和(自身を含む): 1195462800

約数和(自身を除く): 555723670

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 293, 586, 1465, 2930, 7529, 8497, 15058, 16994, 37645, 42485, 75290, 84970, 218341, 436682, 1091705, 2183410, 2205997, 4411994, 11029985, 22059970, 63973913, 127947826, 319869565, 639739130]

約数ペア:

[(1, 639739130), (2, 319869565), (5, 127947826), (10, 63973913), (29, 22059970), (58, 11029985), (145, 4411994), (290, 2205997), (293, 2183410), (586, 1091705), (1465, 436682), (2930, 218341), (7529, 84970), (8497, 75290), (15058, 42485), (16994, 37645)]