28787148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61511}}^1$

素因数の和:61534

約数の個数: 36

約数和(自身を含む): 78366288

約数和(自身を除く): 49579140

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61511, 123022, 184533, 246044, 369066, 553599, 738132, 799643, 1107198, 1599286, 2214396, 2398929, 3198572, 4797858, 7196787, 9595716, 14393574, 28787148]

約数ペア:

[(1, 28787148), (2, 14393574), (3, 9595716), (4, 7196787), (6, 4797858), (9, 3198572), (12, 2398929), (13, 2214396), (18, 1599286), (26, 1107198), (36, 799643), (39, 738132), (52, 553599), (78, 369066), (117, 246044), (156, 184533), (234, 123022), (468, 61511)]