1989136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 4178304

約数和(自身を除く): 2189168

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 103, 136, 142, 206, 272, 284, 412, 568, 824, 1136, 1207, 1648, 1751, 2414, 3502, 4828, 7004, 7313, 9656, 14008, 14626, 19312, 28016, 29252, 58504, 117008, 124321, 248642, 497284, 994568, 1989136]

約数ペア:

[(1, 1989136), (2, 994568), (4, 497284), (8, 248642), (16, 124321), (17, 117008), (34, 58504), (68, 29252), (71, 28016), (103, 19312), (136, 14626), (142, 14008), (206, 9656), (272, 7313), (284, 7004), (412, 4828), (568, 3502), (824, 2414), (1136, 1751), (1207, 1648)]