281116264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3461}}^1$

素因数の和:3562

約数の個数: 64

約数和(自身を含む): 628145280

約数和(自身を除く): 347029016

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 568, 572, 781, 923, 1144, 1562, 1846, 3124, 3461, 3692, 6248, 6922, 7384, 10153, 13844, 20306, 27688, 38071, 40612, 44993, 76142, 81224, 89986, 152284, 179972, 245731, 304568, 359944, 491462, 494923, 982924, 989846, 1965848, 1979692, 2703041, 3194503, 3959384, 5406082, 6389006, 10812164, 12778012, 21624328, 25556024, 35139533, 70279066, 140558132, 281116264]

約数ペア:

[(1, 281116264), (2, 140558132), (4, 70279066), (8, 35139533), (11, 25556024), (13, 21624328), (22, 12778012), (26, 10812164), (44, 6389006), (52, 5406082), (71, 3959384), (88, 3194503), (104, 2703041), (142, 1979692), (143, 1965848), (284, 989846), (286, 982924), (568, 494923), (572, 491462), (781, 359944), (923, 304568), (1144, 245731), (1562, 179972), (1846, 152284), (3124, 89986), (3461, 81224), (3692, 76142), (6248, 44993), (6922, 40612), (7384, 38071), (10153, 27688), (13844, 20306)]