1277237886

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2137}}^1$

素因数の和:2297

約数の個数: 64

約数和(自身を含む): 2748681216

約数和(自身を除く): 1471443330

約数列:

[1, 2, 3, 6, 23, 46, 61, 69, 71, 122, 138, 142, 183, 213, 366, 426, 1403, 1633, 2137, 2806, 3266, 4209, 4274, 4331, 4899, 6411, 8418, 8662, 9798, 12822, 12993, 25986, 49151, 98302, 99613, 130357, 147453, 151727, 199226, 260714, 294906, 298839, 303454, 391071, 455181, 597678, 782142, 910362, 2998211, 3489721, 5996422, 6979442, 8994633, 9255347, 10469163, 17989266, 18510694, 20938326, 27766041, 55532082, 212872981, 425745962, 638618943, 1277237886]

約数ペア:

[(1, 1277237886), (2, 638618943), (3, 425745962), (6, 212872981), (23, 55532082), (46, 27766041), (61, 20938326), (69, 18510694), (71, 17989266), (122, 10469163), (138, 9255347), (142, 8994633), (183, 6979442), (213, 5996422), (366, 3489721), (426, 2998211), (1403, 910362), (1633, 782142), (2137, 597678), (2806, 455181), (3266, 391071), (4209, 303454), (4274, 298839), (4331, 294906), (4899, 260714), (6411, 199226), (8418, 151727), (8662, 147453), (9798, 130357), (12822, 99613), (12993, 98302), (25986, 49151)]