78420872

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2153}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 153149400

約数和(自身を除く): 74728528

約数列:

[1, 2, 4, 8, 29, 58, 116, 157, 232, 314, 628, 1256, 2153, 4306, 4553, 8612, 9106, 17224, 18212, 36424, 62437, 124874, 249748, 338021, 499496, 676042, 1352084, 2704168, 9802609, 19605218, 39210436, 78420872]

約数ペア:

[(1, 78420872), (2, 39210436), (4, 19605218), (8, 9802609), (29, 2704168), (58, 1352084), (116, 676042), (157, 499496), (232, 338021), (314, 249748), (628, 124874), (1256, 62437), (2153, 36424), (4306, 18212), (4553, 17224), (8612, 9106)]