2783177782

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 5269017600

約数和(自身を除く): 2485839818

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 199, 394, 398, 461, 922, 1379, 1393, 2167, 2189, 2758, 2786, 3227, 4334, 4378, 5071, 6454, 10142, 15169, 15323, 30338, 30646, 35497, 39203, 70994, 78406, 90817, 91739, 181634, 183478, 274421, 431233, 548842, 635719, 642173, 862466, 998987, 1009129, 1271438, 1284346, 1997974, 2018258, 3018631, 6037262, 6992909, 7063903, 13985818, 14127806, 18072583, 36145166, 126508081, 198798413, 253016162, 397596826, 1391588891, 2783177782]

約数ペア:

[(1, 2783177782), (2, 1391588891), (7, 397596826), (11, 253016162), (14, 198798413), (22, 126508081), (77, 36145166), (154, 18072583), (197, 14127806), (199, 13985818), (394, 7063903), (398, 6992909), (461, 6037262), (922, 3018631), (1379, 2018258), (1393, 1997974), (2167, 1284346), (2189, 1271438), (2758, 1009129), (2786, 998987), (3227, 862466), (4334, 642173), (4378, 635719), (5071, 548842), (6454, 431233), (10142, 274421), (15169, 183478), (15323, 181634), (30338, 91739), (30646, 90817), (35497, 78406), (39203, 70994)]