1229121328

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{12157}}^1$

素因数の和:12325

約数の個数: 40

約数和(自身を含む): 2442299040

約数和(自身を除く): 1213177712

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 178, 284, 356, 568, 712, 1136, 1424, 6319, 12157, 12638, 24314, 25276, 48628, 50552, 97256, 101104, 194512, 863147, 1081973, 1726294, 2163946, 3452588, 4327892, 6905176, 8655784, 13810352, 17311568, 76820083, 153640166, 307280332, 614560664, 1229121328]

約数ペア:

[(1, 1229121328), (2, 614560664), (4, 307280332), (8, 153640166), (16, 76820083), (71, 17311568), (89, 13810352), (142, 8655784), (178, 6905176), (284, 4327892), (356, 3452588), (568, 2163946), (712, 1726294), (1136, 1081973), (1424, 863147), (6319, 194512), (12157, 101104), (12638, 97256), (24314, 50552), (25276, 48628)]