639274965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{129539}}^1$

素因数の和:129601

約数の個数: 32

約数和(自身を含む): 1193840640

約数和(自身を除く): 554565675

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 129539, 388617, 647695, 906773, 1943085, 2720319, 4533865, 6088333, 13601595, 18264999, 30441665, 42618331, 91324995, 127854993, 213091655, 639274965]

約数ペア:

[(1, 639274965), (3, 213091655), (5, 127854993), (7, 91324995), (15, 42618331), (21, 30441665), (35, 18264999), (47, 13601595), (105, 6088333), (141, 4533865), (235, 2720319), (329, 1943085), (705, 906773), (987, 647695), (1645, 388617), (4935, 129539)]