81607888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15791}}^1$

素因数の和:15835

約数の個数: 40

約数和(自身を含む): 176238720

約数和(自身を除く): 94630832

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 15791, 31582, 63164, 126328, 252656, 268447, 300029, 536894, 600058, 1073788, 1200116, 2147576, 2400232, 4295152, 4800464, 5100493, 10200986, 20401972, 40803944, 81607888]

約数ペア:

[(1, 81607888), (2, 40803944), (4, 20401972), (8, 10200986), (16, 5100493), (17, 4800464), (19, 4295152), (34, 2400232), (38, 2147576), (68, 1200116), (76, 1073788), (136, 600058), (152, 536894), (272, 300029), (304, 268447), (323, 252656), (646, 126328), (1292, 63164), (2584, 31582), (5168, 15791)]