213409448

素因数分解:

$2^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{7487}}^1$

素因数の和:8009

約数の個数: 32

約数和(自身を含む): 458265600

約数和(自身を除く): 244856152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 509, 1018, 2036, 3563, 4072, 7126, 7487, 14252, 14974, 28504, 29948, 52409, 59896, 104818, 209636, 419272, 3810883, 7621766, 15243532, 26676181, 30487064, 53352362, 106704724, 213409448]

約数ペア:

[(1, 213409448), (2, 106704724), (4, 53352362), (7, 30487064), (8, 26676181), (14, 15243532), (28, 7621766), (56, 3810883), (509, 419272), (1018, 209636), (2036, 104818), (3563, 59896), (4072, 52409), (7126, 29948), (7487, 28504), (14252, 14974)]