128520595

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3541}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 189737856

約数和(自身を除く): 61217261

約数列:

[1, 5, 7, 17, 35, 61, 85, 119, 305, 427, 595, 1037, 2135, 3541, 5185, 7259, 17705, 24787, 36295, 60197, 123935, 216001, 300985, 421379, 1080005, 1512007, 2106895, 3672017, 7560035, 18360085, 25704119, 128520595]

約数ペア:

[(1, 128520595), (5, 25704119), (7, 18360085), (17, 7560035), (35, 3672017), (61, 2106895), (85, 1512007), (119, 1080005), (305, 421379), (427, 300985), (595, 216001), (1037, 123935), (2135, 60197), (3541, 36295), (5185, 24787), (7259, 17705)]