89128985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 120199680

約数和(自身を除く): 31070695

約数列:

[1, 5, 11, 55, 73, 79, 281, 365, 395, 803, 869, 1405, 3091, 4015, 4345, 5767, 15455, 20513, 22199, 28835, 63437, 102565, 110995, 225643, 244189, 317185, 1128215, 1220945, 1620527, 8102635, 17825797, 89128985]

約数ペア:

[(1, 89128985), (5, 17825797), (11, 8102635), (55, 1620527), (73, 1220945), (79, 1128215), (281, 317185), (365, 244189), (395, 225643), (803, 110995), (869, 102565), (1405, 63437), (3091, 28835), (4015, 22199), (4345, 20513), (5767, 15455)]