89549005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 52377395

約数列:

[1, 5, 7, 13, 23, 35, 43, 65, 91, 115, 161, 199, 215, 299, 301, 455, 559, 805, 989, 995, 1393, 1495, 1505, 2093, 2587, 2795, 3913, 4577, 4945, 6923, 6965, 8557, 10465, 12857, 12935, 18109, 19565, 22885, 32039, 34615, 42785, 59501, 59899, 64285, 89999, 90545, 111241, 160195, 196811, 297505, 299495, 416507, 449995, 556205, 778687, 984055, 1377677, 2082535, 2558543, 3893435, 6888385, 12792715, 17909801, 89549005]

約数ペア:

[(1, 89549005), (5, 17909801), (7, 12792715), (13, 6888385), (23, 3893435), (35, 2558543), (43, 2082535), (65, 1377677), (91, 984055), (115, 778687), (161, 556205), (199, 449995), (215, 416507), (299, 299495), (301, 297505), (455, 196811), (559, 160195), (805, 111241), (989, 90545), (995, 89999), (1393, 64285), (1495, 59899), (1505, 59501), (2093, 42785), (2587, 34615), (2795, 32039), (3913, 22885), (4577, 19565), (4945, 18109), (6923, 12935), (6965, 12857), (8557, 10465)]