128478276

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{155167}}^1$

素因数の和:155200

約数の個数: 36

約数和(自身を含む): 338886912

約数和(自身を除く): 210408636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 155167, 310334, 465501, 620668, 931002, 1396503, 1862004, 2793006, 3568841, 5586012, 7137682, 10706523, 14275364, 21413046, 32119569, 42826092, 64239138, 128478276]

約数ペア:

[(1, 128478276), (2, 64239138), (3, 42826092), (4, 32119569), (6, 21413046), (9, 14275364), (12, 10706523), (18, 7137682), (23, 5586012), (36, 3568841), (46, 2793006), (69, 1862004), (92, 1396503), (138, 931002), (207, 620668), (276, 465501), (414, 310334), (828, 155167)]