890221325

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{221173}}^1$

素因数の和:221213

約数の個数: 24

約数和(自身を含む): 1316427648

約数和(自身を除く): 426206323

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 221173, 1105865, 1548211, 5086979, 5529325, 7741055, 25434895, 35608853, 38705275, 127174475, 178044265, 890221325]

約数ペア:

[(1, 890221325), (5, 178044265), (7, 127174475), (23, 38705275), (25, 35608853), (35, 25434895), (115, 7741055), (161, 5529325), (175, 5086979), (575, 1548211), (805, 1105865), (4025, 221173)]