81201554

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17957}}^1$

素因数の和:18002

約数の個数: 32

約数和(自身を含む): 155157120

約数和(自身を除く): 73955566

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 17957, 35914, 125699, 251398, 305269, 341183, 610538, 682366, 2136883, 2388281, 4273766, 4776562, 5800111, 11600222, 40600777, 81201554]

約数ペア:

[(1, 81201554), (2, 40600777), (7, 11600222), (14, 5800111), (17, 4776562), (19, 4273766), (34, 2388281), (38, 2136883), (119, 682366), (133, 610538), (238, 341183), (266, 305269), (323, 251398), (646, 125699), (2261, 35914), (4522, 17957)]