81444692

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 166483968

約数和(自身を除く): 85039276

約数列:

[1, 2, 4, 7, 14, 28, 97, 157, 191, 194, 314, 382, 388, 628, 679, 764, 1099, 1337, 1358, 2198, 2674, 2716, 4396, 5348, 15229, 18527, 29987, 30458, 37054, 59974, 60916, 74108, 106603, 119948, 129689, 209909, 213206, 259378, 419818, 426412, 518756, 839636, 2908739, 5817478, 11634956, 20361173, 40722346, 81444692]

約数ペア:

[(1, 81444692), (2, 40722346), (4, 20361173), (7, 11634956), (14, 5817478), (28, 2908739), (97, 839636), (157, 518756), (191, 426412), (194, 419818), (314, 259378), (382, 213206), (388, 209909), (628, 129689), (679, 119948), (764, 106603), (1099, 74108), (1337, 60916), (1358, 59974), (2198, 37054), (2674, 30458), (2716, 29987), (4396, 18527), (5348, 15229)]