128889748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 253028160

約数和(自身を除く): 124138412

約数列:

[1, 2, 4, 13, 26, 43, 52, 59, 86, 118, 172, 236, 559, 767, 977, 1118, 1534, 1954, 2236, 2537, 3068, 3908, 5074, 10148, 12701, 25402, 32981, 42011, 50804, 57643, 65962, 84022, 115286, 131924, 168044, 230572, 546143, 749359, 1092286, 1498718, 2184572, 2478649, 2997436, 4957298, 9914596, 32222437, 64444874, 128889748]

約数ペア:

[(1, 128889748), (2, 64444874), (4, 32222437), (13, 9914596), (26, 4957298), (43, 2997436), (52, 2478649), (59, 2184572), (86, 1498718), (118, 1092286), (172, 749359), (236, 546143), (559, 230572), (767, 168044), (977, 131924), (1118, 115286), (1534, 84022), (1954, 65962), (2236, 57643), (2537, 50804), (3068, 42011), (3908, 32981), (5074, 25402), (10148, 12701)]