64651972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 145248768

約数和(自身を除く): 80596796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 157, 191, 196, 308, 314, 382, 539, 628, 764, 1078, 1099, 1337, 1727, 2101, 2156, 2198, 2674, 3454, 4202, 4396, 5348, 6908, 7693, 8404, 9359, 12089, 14707, 15386, 18718, 24178, 29414, 29987, 30772, 37436, 48356, 58828, 59974, 84623, 102949, 119948, 169246, 205898, 209909, 329857, 338492, 411796, 419818, 659714, 839636, 1319428, 1469363, 2308999, 2938726, 4617998, 5877452, 9235996, 16162993, 32325986, 64651972]

約数ペア:

[(1, 64651972), (2, 32325986), (4, 16162993), (7, 9235996), (11, 5877452), (14, 4617998), (22, 2938726), (28, 2308999), (44, 1469363), (49, 1319428), (77, 839636), (98, 659714), (154, 419818), (157, 411796), (191, 338492), (196, 329857), (308, 209909), (314, 205898), (382, 169246), (539, 119948), (628, 102949), (764, 84623), (1078, 59974), (1099, 58828), (1337, 48356), (1727, 37436), (2101, 30772), (2156, 29987), (2198, 29414), (2674, 24178), (3454, 18718), (4202, 15386), (4396, 14707), (5348, 12089), (6908, 9359), (7693, 8404)]