128503362

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 284135040

約数和(自身を除く): 155631678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 107, 173, 178, 214, 267, 321, 346, 519, 534, 642, 1038, 1157, 1391, 2249, 2314, 2782, 3471, 4173, 4498, 6747, 6942, 8346, 9523, 13494, 15397, 18511, 19046, 28569, 30794, 37022, 46191, 55533, 57138, 92382, 111066, 123799, 200161, 240643, 247598, 371397, 400322, 481286, 600483, 721929, 742794, 1200966, 1443858, 1647479, 3294958, 4942437, 9884874, 21417227, 42834454, 64251681, 128503362]

約数ペア:

[(1, 128503362), (2, 64251681), (3, 42834454), (6, 21417227), (13, 9884874), (26, 4942437), (39, 3294958), (78, 1647479), (89, 1443858), (107, 1200966), (173, 742794), (178, 721929), (214, 600483), (267, 481286), (321, 400322), (346, 371397), (519, 247598), (534, 240643), (642, 200161), (1038, 123799), (1157, 111066), (1391, 92382), (2249, 57138), (2314, 55533), (2782, 46191), (3471, 37022), (4173, 30794), (4498, 28569), (6747, 19046), (6942, 18511), (8346, 15397), (9523, 13494)]